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Finding the Fourth Proportional to 73,671.26, 110,475.40 and 28,049.04

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Solution

The fourth proportional to 73,671.26, 110,475.40 and 28,049.04 is: 42,061.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,671.26 : 110,475.40 = 28,049.04 : x
  2. Step 2: Convert to fraction form
    73,671.26/110,475.40 = 28,049.04/x
  3. Step 3: Cross multiply
    73,671.26x = 110,475.40 × 28,049.04
  4. Step 4: Simplify right side
    73,671.26x = 3,098,728,913.62
  5. Step 5: Solve for x
    x = 3,098,728,913.62/73,671.26
  6. Step 6: Final answer
    x = 42,061.57

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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.