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Finding the Fourth Proportional to 133,956.96, 200,934.83 and 40,462.71

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Solution

The fourth proportional to 133,956.96, 200,934.83 and 40,462.71 is: 60,693.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,956.96 : 200,934.83 = 40,462.71 : x
  2. Step 2: Convert to fraction form
    133,956.96/200,934.83 = 40,462.71/x
  3. Step 3: Cross multiply
    133,956.96x = 200,934.83 × 40,462.71
  4. Step 4: Simplify right side
    133,956.96x = 8,130,367,552.88
  5. Step 5: Solve for x
    x = 8,130,367,552.88/133,956.96
  6. Step 6: Final answer
    x = 60,693.88

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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.