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Finding the Fourth Proportional to 250,374.18, 375,622.71 and 72,882.78

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Solution

The fourth proportional to 250,374.18, 375,622.71 and 72,882.78 is: 109,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,374.18 : 375,622.71 = 72,882.78 : x
  2. Step 2: Convert to fraction form
    250,374.18/375,622.71 = 72,882.78/x
  3. Step 3: Cross multiply
    250,374.18x = 375,622.71 × 72,882.78
  4. Step 4: Simplify right side
    250,374.18x = 27,376,427,335.93
  5. Step 5: Solve for x
    x = 27,376,427,335.93/250,374.18
  6. Step 6: Final answer
    x = 109,342.05

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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.