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Finding the Fourth Proportional to 114,902.40, 172,404 and 44,757.48

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Solution

The fourth proportional to 114,902.40, 172,404 and 44,757.48 is: 67,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,902.40 : 172,404 = 44,757.48 : x
  2. Step 2: Convert to fraction form
    114,902.40/172,404 = 44,757.48/x
  3. Step 3: Cross multiply
    114,902.40x = 172,404 × 44,757.48
  4. Step 4: Simplify right side
    114,902.40x = 7,716,368,581.92
  5. Step 5: Solve for x
    x = 7,716,368,581.92/114,902.40
  6. Step 6: Final answer
    x = 67,155.85

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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.