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Finding the Fourth Proportional to 59,585.20, 89,314.80 and 22,121.20

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Solution

The fourth proportional to 59,585.20, 89,314.80 and 22,121.20 is: 33,158.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,585.20 : 89,314.80 = 22,121.20 : x
  2. Step 2: Convert to fraction form
    59,585.20/89,314.80 = 22,121.20/x
  3. Step 3: Cross multiply
    59,585.20x = 89,314.80 × 22,121.20
  4. Step 4: Simplify right side
    59,585.20x = 1,975,750,553.76
  5. Step 5: Solve for x
    x = 1,975,750,553.76/59,585.20
  6. Step 6: Final answer
    x = 33,158.41

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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.