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Finding the Fourth Proportional to 67,520.61, 101,098.67 and 45,286.11

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Solution

The fourth proportional to 67,520.61, 101,098.67 and 45,286.11 is: 67,806.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,520.61 : 101,098.67 = 45,286.11 : x
  2. Step 2: Convert to fraction form
    67,520.61/101,098.67 = 45,286.11/x
  3. Step 3: Cross multiply
    67,520.61x = 101,098.67 × 45,286.11
  4. Step 4: Simplify right side
    67,520.61x = 4,578,365,264.04
  5. Step 5: Solve for x
    x = 4,578,365,264.04/67,520.61
  6. Step 6: Final answer
    x = 67,806.93

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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.