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Finding the Fourth Proportional to 71,061.40, 106,592.10 and 41,512.60

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Solution

The fourth proportional to 71,061.40, 106,592.10 and 41,512.60 is: 62,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,061.40 : 106,592.10 = 41,512.60 : x
  2. Step 2: Convert to fraction form
    71,061.40/106,592.10 = 41,512.60/x
  3. Step 3: Cross multiply
    71,061.40x = 106,592.10 × 41,512.60
  4. Step 4: Simplify right side
    71,061.40x = 4,424,915,210.46
  5. Step 5: Solve for x
    x = 4,424,915,210.46/71,061.40
  6. Step 6: Final answer
    x = 62,268.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.