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Finding the Fourth Proportional to 147,229.62, 220,839.74 and 42,048.52

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Solution

The fourth proportional to 147,229.62, 220,839.74 and 42,048.52 is: 63,071.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,229.62 : 220,839.74 = 42,048.52 : x
  2. Step 2: Convert to fraction form
    147,229.62/220,839.74 = 42,048.52/x
  3. Step 3: Cross multiply
    147,229.62x = 220,839.74 × 42,048.52
  4. Step 4: Simplify right side
    147,229.62x = 9,285,984,224.18
  5. Step 5: Solve for x
    x = 9,285,984,224.18/147,229.62
  6. Step 6: Final answer
    x = 63,071.44

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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.