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Finding the Fourth Proportional to 71,068.57, 98,073.15 and 40,853.11

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Solution

The fourth proportional to 71,068.57, 98,073.15 and 40,853.11 is: 56,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,068.57 : 98,073.15 = 40,853.11 : x
  2. Step 2: Convert to fraction form
    71,068.57/98,073.15 = 40,853.11/x
  3. Step 3: Cross multiply
    71,068.57x = 98,073.15 × 40,853.11
  4. Step 4: Simplify right side
    71,068.57x = 4,006,593,185.00
  5. Step 5: Solve for x
    x = 4,006,593,185.00/71,068.57
  6. Step 6: Final answer
    x = 56,376.44

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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.