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Finding the Fourth Proportional to 108,404.68, 149,605.02 and 60,657.01

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Solution

The fourth proportional to 108,404.68, 149,605.02 and 60,657.01 is: 83,710.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,404.68 : 149,605.02 = 60,657.01 : x
  2. Step 2: Convert to fraction form
    108,404.68/149,605.02 = 60,657.01/x
  3. Step 3: Cross multiply
    108,404.68x = 149,605.02 × 60,657.01
  4. Step 4: Simplify right side
    108,404.68x = 9,074,593,194.19
  5. Step 5: Solve for x
    x = 9,074,593,194.19/108,404.68
  6. Step 6: Final answer
    x = 83,710.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.