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Finding the Fourth Proportional to 71,265.93, 106,865.96 and 40,101.18

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Solution

The fourth proportional to 71,265.93, 106,865.96 and 40,101.18 is: 60,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,265.93 : 106,865.96 = 40,101.18 : x
  2. Step 2: Convert to fraction form
    71,265.93/106,865.96 = 40,101.18/x
  3. Step 3: Cross multiply
    71,265.93x = 106,865.96 × 40,101.18
  4. Step 4: Simplify right side
    71,265.93x = 4,285,450,897.33
  5. Step 5: Solve for x
    x = 4,285,450,897.33/71,265.93
  6. Step 6: Final answer
    x = 60,133.23

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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.