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Finding the Fourth Proportional to 376,287.72, 564,412.06 and 95,787.88

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Solution

The fourth proportional to 376,287.72, 564,412.06 and 95,787.88 is: 143,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,287.72 : 564,412.06 = 95,787.88 : x
  2. Step 2: Convert to fraction form
    376,287.72/564,412.06 = 95,787.88/x
  3. Step 3: Cross multiply
    376,287.72x = 564,412.06 × 95,787.88
  4. Step 4: Simplify right side
    376,287.72x = 54,063,834,673.83
  5. Step 5: Solve for x
    x = 54,063,834,673.83/376,287.72
  6. Step 6: Final answer
    x = 143,676.85

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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.