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Finding the Fourth Proportional to 127,329.68, 175,701.48 and 73,606.16

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Solution

The fourth proportional to 127,329.68, 175,701.48 and 73,606.16 is: 101,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,329.68 : 175,701.48 = 73,606.16 : x
  2. Step 2: Convert to fraction form
    127,329.68/175,701.48 = 73,606.16/x
  3. Step 3: Cross multiply
    127,329.68x = 175,701.48 × 73,606.16
  4. Step 4: Simplify right side
    127,329.68x = 12,932,711,249.12
  5. Step 5: Solve for x
    x = 12,932,711,249.12/127,329.68
  6. Step 6: Final answer
    x = 101,568.71

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