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Finding the Fourth Proportional to 277,439.60, 416,171.51 and 87,913.94

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Solution

The fourth proportional to 277,439.60, 416,171.51 and 87,913.94 is: 131,874.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,439.60 : 416,171.51 = 87,913.94 : x
  2. Step 2: Convert to fraction form
    277,439.60/416,171.51 = 87,913.94/x
  3. Step 3: Cross multiply
    277,439.60x = 416,171.51 × 87,913.94
  4. Step 4: Simplify right side
    277,439.60x = 36,587,275,298.78
  5. Step 5: Solve for x
    x = 36,587,275,298.78/277,439.60
  6. Step 6: Final answer
    x = 131,874.74

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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.