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Finding the Fourth Proportional to 250,124.42, 375,197 and 72,631.43

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Solution

The fourth proportional to 250,124.42, 375,197 and 72,631.43 is: 108,950.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,124.42 : 375,197 = 72,631.43 : x
  2. Step 2: Convert to fraction form
    250,124.42/375,197 = 72,631.43/x
  3. Step 3: Cross multiply
    250,124.42x = 375,197 × 72,631.43
  4. Step 4: Simplify right side
    250,124.42x = 27,251,092,765.73
  5. Step 5: Solve for x
    x = 27,251,092,765.73/250,124.42
  6. Step 6: Final answer
    x = 108,950.15

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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.