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Finding the Fourth Proportional to 169,848,218.70, 254,772,328.05 and 101,655,809.10

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Solution

The fourth proportional to 169,848,218.70, 254,772,328.05 and 101,655,809.10 is: 152,483,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,848,218.70 : 254,772,328.05 = 101,655,809.10 : x
  2. Step 2: Convert to fraction form
    169,848,218.70/254,772,328.05 = 101,655,809.10/x
  3. Step 3: Cross multiply
    169,848,218.70x = 254,772,328.05 × 101,655,809.10
  4. Step 4: Simplify right side
    169,848,218.70x = 25,899,087,144,213,376
  5. Step 5: Solve for x
    x = 25,899,087,144,213,376/169,848,218.70
  6. Step 6: Final answer
    x = 152,483,713.65

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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.