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Finding the Fourth Proportional to 169,157.62, 253,656.97 and 98,100.45

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Solution

The fourth proportional to 169,157.62, 253,656.97 and 98,100.45 is: 147,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,157.62 : 253,656.97 = 98,100.45 : x
  2. Step 2: Convert to fraction form
    169,157.62/253,656.97 = 98,100.45/x
  3. Step 3: Cross multiply
    169,157.62x = 253,656.97 × 98,100.45
  4. Step 4: Simplify right side
    169,157.62x = 24,883,862,743.12
  5. Step 5: Solve for x
    x = 24,883,862,743.12/169,157.62
  6. Step 6: Final answer
    x = 147,104.60

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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.