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Finding the Fourth Proportional to 144,757.68, 217,101.60 and 60,472.32

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Solution

The fourth proportional to 144,757.68, 217,101.60 and 60,472.32 is: 90,693.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,757.68 : 217,101.60 = 60,472.32 : x
  2. Step 2: Convert to fraction form
    144,757.68/217,101.60 = 60,472.32/x
  3. Step 3: Cross multiply
    144,757.68x = 217,101.60 × 60,472.32
  4. Step 4: Simplify right side
    144,757.68x = 13,128,637,427.71
  5. Step 5: Solve for x
    x = 13,128,637,427.71/144,757.68
  6. Step 6: Final answer
    x = 90,693.89

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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.