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Finding the Fourth Proportional to 185,761.76, 256,429.71 and 125,414.15

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Solution

The fourth proportional to 185,761.76, 256,429.71 and 125,414.15 is: 173,124.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,761.76 : 256,429.71 = 125,414.15 : x
  2. Step 2: Convert to fraction form
    185,761.76/256,429.71 = 125,414.15/x
  3. Step 3: Cross multiply
    185,761.76x = 256,429.71 × 125,414.15
  4. Step 4: Simplify right side
    185,761.76x = 32,159,913,159.79
  5. Step 5: Solve for x
    x = 32,159,913,159.79/185,761.76
  6. Step 6: Final answer
    x = 173,124.50

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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.