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Finding the Fourth Proportional to 59,931.60, 89,757.24 and 47,367.30

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Solution

The fourth proportional to 59,931.60, 89,757.24 and 47,367.30 is: 70,940.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,931.60 : 89,757.24 = 47,367.30 : x
  2. Step 2: Convert to fraction form
    59,931.60/89,757.24 = 47,367.30/x
  3. Step 3: Cross multiply
    59,931.60x = 89,757.24 × 47,367.30
  4. Step 4: Simplify right side
    59,931.60x = 4,251,558,114.25
  5. Step 5: Solve for x
    x = 4,251,558,114.25/59,931.60
  6. Step 6: Final answer
    x = 70,940.17

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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.