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Finding the Fourth Proportional to 381,341.14, 572,044.95 and 125,096.88

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Solution

The fourth proportional to 381,341.14, 572,044.95 and 125,096.88 is: 187,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,341.14 : 572,044.95 = 125,096.88 : x
  2. Step 2: Convert to fraction form
    381,341.14/572,044.95 = 125,096.88/x
  3. Step 3: Cross multiply
    381,341.14x = 572,044.95 × 125,096.88
  4. Step 4: Simplify right side
    381,341.14x = 71,561,038,464.76
  5. Step 5: Solve for x
    x = 71,561,038,464.76/381,341.14
  6. Step 6: Final answer
    x = 187,656.22

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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.