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Finding the Fourth Proportional to 381,787.84, 572,681.04 and 101,283.04

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Solution

The fourth proportional to 381,787.84, 572,681.04 and 101,283.04 is: 151,924.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,787.84 : 572,681.04 = 101,283.04 : x
  2. Step 2: Convert to fraction form
    381,787.84/572,681.04 = 101,283.04/x
  3. Step 3: Cross multiply
    381,787.84x = 572,681.04 × 101,283.04
  4. Step 4: Simplify right side
    381,787.84x = 58,002,876,681.56
  5. Step 5: Solve for x
    x = 58,002,876,681.56/381,787.84
  6. Step 6: Final answer
    x = 151,924.37

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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.