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Finding the Fourth Proportional to 67,491.52, 101,341.32 and 57,098.11

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Solution

The fourth proportional to 67,491.52, 101,341.32 and 57,098.11 is: 85,735.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,491.52 : 101,341.32 = 57,098.11 : x
  2. Step 2: Convert to fraction form
    67,491.52/101,341.32 = 57,098.11/x
  3. Step 3: Cross multiply
    67,491.52x = 101,341.32 × 57,098.11
  4. Step 4: Simplify right side
    67,491.52x = 5,786,397,797.67
  5. Step 5: Solve for x
    x = 5,786,397,797.67/67,491.52
  6. Step 6: Final answer
    x = 85,735.18

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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.