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Finding the Fourth Proportional to 146,747.60, 220,108.60 and 48,251.60

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Solution

The fourth proportional to 146,747.60, 220,108.60 and 48,251.60 is: 72,373.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,747.60 : 220,108.60 = 48,251.60 : x
  2. Step 2: Convert to fraction form
    146,747.60/220,108.60 = 48,251.60/x
  3. Step 3: Cross multiply
    146,747.60x = 220,108.60 × 48,251.60
  4. Step 4: Simplify right side
    146,747.60x = 10,620,592,123.76
  5. Step 5: Solve for x
    x = 10,620,592,123.76/146,747.60
  6. Step 6: Final answer
    x = 72,373.19

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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.