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Finding the Fourth Proportional to 71,342.10, 106,897.95 and 44,999.70

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Solution

The fourth proportional to 71,342.10, 106,897.95 and 44,999.70 is: 67,426.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,342.10 : 106,897.95 = 44,999.70 : x
  2. Step 2: Convert to fraction form
    71,342.10/106,897.95 = 44,999.70/x
  3. Step 3: Cross multiply
    71,342.10x = 106,897.95 × 44,999.70
  4. Step 4: Simplify right side
    71,342.10x = 4,810,375,680.62
  5. Step 5: Solve for x
    x = 4,810,375,680.62/71,342.10
  6. Step 6: Final answer
    x = 67,426.89

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1.5x scale

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.