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Finding the Fourth Proportional to 185,414.40, 277,948.80 and 129,254.40

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Solution

The fourth proportional to 185,414.40, 277,948.80 and 129,254.40 is: 193,761.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,414.40 : 277,948.80 = 129,254.40 : x
  2. Step 2: Convert to fraction form
    185,414.40/277,948.80 = 129,254.40/x
  3. Step 3: Cross multiply
    185,414.40x = 277,948.80 × 129,254.40
  4. Step 4: Simplify right side
    185,414.40x = 35,926,105,374.72
  5. Step 5: Solve for x
    x = 35,926,105,374.72/185,414.40
  6. Step 6: Final answer
    x = 193,761.14

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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.