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Finding the Fourth Proportional to 108,561.97, 149,811.13 and 60,164.60

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Solution

The fourth proportional to 108,561.97, 149,811.13 and 60,164.60 is: 83,024.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,561.97 : 149,811.13 = 60,164.60 : x
  2. Step 2: Convert to fraction form
    108,561.97/149,811.13 = 60,164.60/x
  3. Step 3: Cross multiply
    108,561.97x = 149,811.13 × 60,164.60
  4. Step 4: Simplify right side
    108,561.97x = 9,013,326,337.47
  5. Step 5: Solve for x
    x = 9,013,326,337.47/108,561.97
  6. Step 6: Final answer
    x = 83,024.71

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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.