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Finding the Fourth Proportional to 71,202.65, 98,260.29 and 39,373.70

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Solution

The fourth proportional to 71,202.65, 98,260.29 and 39,373.70 is: 54,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,202.65 : 98,260.29 = 39,373.70 : x
  2. Step 2: Convert to fraction form
    71,202.65/98,260.29 = 39,373.70/x
  3. Step 3: Cross multiply
    71,202.65x = 98,260.29 × 39,373.70
  4. Step 4: Simplify right side
    71,202.65x = 3,868,870,689.07
  5. Step 5: Solve for x
    x = 3,868,870,689.07/71,202.65
  6. Step 6: Final answer
    x = 54,336.05

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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.