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Finding the Fourth Proportional to 204,641.92, 307,006.80 and 115,937.92

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Solution

The fourth proportional to 204,641.92, 307,006.80 and 115,937.92 is: 173,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,641.92 : 307,006.80 = 115,937.92 : x
  2. Step 2: Convert to fraction form
    204,641.92/307,006.80 = 115,937.92/x
  3. Step 3: Cross multiply
    204,641.92x = 307,006.80 × 115,937.92
  4. Step 4: Simplify right side
    204,641.92x = 35,593,729,817.86
  5. Step 5: Solve for x
    x = 35,593,729,817.86/204,641.92
  6. Step 6: Final answer
    x = 173,931.76

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1.5x scale

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.