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Finding the Fourth Proportional to 381,551.26, 572,337.82 and 101,068.50

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Solution

The fourth proportional to 381,551.26, 572,337.82 and 101,068.50 is: 151,605.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,551.26 : 572,337.82 = 101,068.50 : x
  2. Step 2: Convert to fraction form
    381,551.26/572,337.82 = 101,068.50/x
  3. Step 3: Cross multiply
    381,551.26x = 572,337.82 × 101,068.50
  4. Step 4: Simplify right side
    381,551.26x = 57,845,324,960.67
  5. Step 5: Solve for x
    x = 57,845,324,960.67/381,551.26
  6. Step 6: Final answer
    x = 151,605.65

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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.