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Finding the Fourth Proportional to 114,956.70, 172,332.45 and 44,819.70

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Solution

The fourth proportional to 114,956.70, 172,332.45 and 44,819.70 is: 67,189.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,956.70 : 172,332.45 = 44,819.70 : x
  2. Step 2: Convert to fraction form
    114,956.70/172,332.45 = 44,819.70/x
  3. Step 3: Cross multiply
    114,956.70x = 172,332.45 × 44,819.70
  4. Step 4: Simplify right side
    114,956.70x = 7,723,888,709.27
  5. Step 5: Solve for x
    x = 7,723,888,709.27/114,956.70
  6. Step 6: Final answer
    x = 67,189.55

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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.