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Finding the Fourth Proportional to 108,632.55, 149,918.67 and 60,901.14

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Solution

The fourth proportional to 108,632.55, 149,918.67 and 60,901.14 is: 84,046.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,632.55 : 149,918.67 = 60,901.14 : x
  2. Step 2: Convert to fraction form
    108,632.55/149,918.67 = 60,901.14/x
  3. Step 3: Cross multiply
    108,632.55x = 149,918.67 × 60,901.14
  4. Step 4: Simplify right side
    108,632.55x = 9,130,217,910.28
  5. Step 5: Solve for x
    x = 9,130,217,910.28/108,632.55
  6. Step 6: Final answer
    x = 84,046.80

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1.5x scale

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.