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Finding the Fourth Proportional to 71,044.80, 106,567.20 and 41,447.40

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Solution

The fourth proportional to 71,044.80, 106,567.20 and 41,447.40 is: 62,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,044.80 : 106,567.20 = 41,447.40 : x
  2. Step 2: Convert to fraction form
    71,044.80/106,567.20 = 41,447.40/x
  3. Step 3: Cross multiply
    71,044.80x = 106,567.20 × 41,447.40
  4. Step 4: Simplify right side
    71,044.80x = 4,416,933,365.28
  5. Step 5: Solve for x
    x = 4,416,933,365.28/71,044.80
  6. Step 6: Final answer
    x = 62,171.10

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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.