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Finding the Fourth Proportional to 59,972.80, 89,815.20 and 32,209.60

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Solution

The fourth proportional to 59,972.80, 89,815.20 and 32,209.60 is: 48,237.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,972.80 : 89,815.20 = 32,209.60 : x
  2. Step 2: Convert to fraction form
    59,972.80/89,815.20 = 32,209.60/x
  3. Step 3: Cross multiply
    59,972.80x = 89,815.20 × 32,209.60
  4. Step 4: Simplify right side
    59,972.80x = 2,892,911,665.92
  5. Step 5: Solve for x
    x = 2,892,911,665.92/59,972.80
  6. Step 6: Final answer
    x = 48,237.06

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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.