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Finding the Fourth Proportional to 185,229.59, 255,629.62 and 112,660.82

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Solution

The fourth proportional to 185,229.59, 255,629.62 and 112,660.82 is: 155,479.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,229.59 : 255,629.62 = 112,660.82 : x
  2. Step 2: Convert to fraction form
    185,229.59/255,629.62 = 112,660.82/x
  3. Step 3: Cross multiply
    185,229.59x = 255,629.62 × 112,660.82
  4. Step 4: Simplify right side
    185,229.59x = 28,799,443,864.69
  5. Step 5: Solve for x
    x = 28,799,443,864.69/185,229.59
  6. Step 6: Final answer
    x = 155,479.72

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1.5x scale

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.