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Finding the Fourth Proportional to 240,361.92, 331,709.76 and 132,931.92

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Solution

The fourth proportional to 240,361.92, 331,709.76 and 132,931.92 is: 183,451.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,361.92 : 331,709.76 = 132,931.92 : x
  2. Step 2: Convert to fraction form
    240,361.92/331,709.76 = 132,931.92/x
  3. Step 3: Cross multiply
    240,361.92x = 331,709.76 × 132,931.92
  4. Step 4: Simplify right side
    240,361.92x = 44,094,815,279.54
  5. Step 5: Solve for x
    x = 44,094,815,279.54/240,361.92
  6. Step 6: Final answer
    x = 183,451.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.