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Finding the Fourth Proportional to 169,655,157.45, 254,482,736.19 and 83,561,715.45

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Solution

The fourth proportional to 169,655,157.45, 254,482,736.19 and 83,561,715.45 is: 125,342,573.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,655,157.45 : 254,482,736.19 = 83,561,715.45 : x
  2. Step 2: Convert to fraction form
    169,655,157.45/254,482,736.19 = 83,561,715.45/x
  3. Step 3: Cross multiply
    169,655,157.45x = 254,482,736.19 × 83,561,715.45
  4. Step 4: Simplify right side
    169,655,157.45x = 21,265,013,988,446,196
  5. Step 5: Solve for x
    x = 21,265,013,988,446,196/169,655,157.45
  6. Step 6: Final answer
    x = 125,342,573.18

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.