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Finding the Fourth Proportional to 67,359.60, 101,258.10 and 47,773.80

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Solution

The fourth proportional to 67,359.60, 101,258.10 and 47,773.80 is: 71,815.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,359.60 : 101,258.10 = 47,773.80 : x
  2. Step 2: Convert to fraction form
    67,359.60/101,258.10 = 47,773.80/x
  3. Step 3: Cross multiply
    67,359.60x = 101,258.10 × 47,773.80
  4. Step 4: Simplify right side
    67,359.60x = 4,837,484,217.78
  5. Step 5: Solve for x
    x = 4,837,484,217.78/67,359.60
  6. Step 6: Final answer
    x = 71,815.81

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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.