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Finding the Fourth Proportional to 67,766.40, 101,552.40 and 49,857.30

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Solution

The fourth proportional to 67,766.40, 101,552.40 and 49,857.30 is: 74,714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,766.40 : 101,552.40 = 49,857.30 : x
  2. Step 2: Convert to fraction form
    67,766.40/101,552.40 = 49,857.30/x
  3. Step 3: Cross multiply
    67,766.40x = 101,552.40 × 49,857.30
  4. Step 4: Simplify right side
    67,766.40x = 5,063,128,472.52
  5. Step 5: Solve for x
    x = 5,063,128,472.52/67,766.40
  6. Step 6: Final answer
    x = 74,714.44

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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.