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Finding the Fourth Proportional to 146,251.80, 218,988.90 and 146,251.80

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Solution

The fourth proportional to 146,251.80, 218,988.90 and 146,251.80 is: 218,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,251.80 : 218,988.90 = 146,251.80 : x
  2. Step 2: Convert to fraction form
    146,251.80/218,988.90 = 146,251.80/x
  3. Step 3: Cross multiply
    146,251.80x = 218,988.90 × 146,251.80
  4. Step 4: Simplify right side
    146,251.80x = 32,027,520,805.02
  5. Step 5: Solve for x
    x = 32,027,520,805.02/146,251.80
  6. Step 6: Final answer
    x = 218,988.90

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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.