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Finding the Fourth Proportional to 147,230.62, 220,841.24 and 42,049.52

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Solution

The fourth proportional to 147,230.62, 220,841.24 and 42,049.52 is: 63,072.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,230.62 : 220,841.24 = 42,049.52 : x
  2. Step 2: Convert to fraction form
    147,230.62/220,841.24 = 42,049.52/x
  3. Step 3: Cross multiply
    147,230.62x = 220,841.24 × 42,049.52
  4. Step 4: Simplify right side
    147,230.62x = 9,286,268,138.20
  5. Step 5: Solve for x
    x = 9,286,268,138.20/147,230.62
  6. Step 6: Final answer
    x = 63,072.94

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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.