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Finding the Fourth Proportional to 381,700.96, 572,551.52 and 101,240.16

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Solution

The fourth proportional to 381,700.96, 572,551.52 and 101,240.16 is: 151,860.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,700.96 : 572,551.52 = 101,240.16 : x
  2. Step 2: Convert to fraction form
    381,700.96/572,551.52 = 101,240.16/x
  3. Step 3: Cross multiply
    381,700.96x = 572,551.52 × 101,240.16
  4. Step 4: Simplify right side
    381,700.96x = 57,965,207,493.04
  5. Step 5: Solve for x
    x = 57,965,207,493.04/381,700.96
  6. Step 6: Final answer
    x = 151,860.26

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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.