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Finding the Fourth Proportional to 232,586.80, 348,658.72 and 74,704.56

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Solution

The fourth proportional to 232,586.80, 348,658.72 and 74,704.56 is: 111,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,586.80 : 348,658.72 = 74,704.56 : x
  2. Step 2: Convert to fraction form
    232,586.80/348,658.72 = 74,704.56/x
  3. Step 3: Cross multiply
    232,586.80x = 348,658.72 × 74,704.56
  4. Step 4: Simplify right side
    232,586.80x = 26,046,396,267.76
  5. Step 5: Solve for x
    x = 26,046,396,267.76/232,586.80
  6. Step 6: Final answer
    x = 111,985.70

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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.