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Finding the Fourth Proportional to 277,332.66, 416,000.21 and 87,793.95

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Solution

The fourth proportional to 277,332.66, 416,000.21 and 87,793.95 is: 131,691.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,332.66 : 416,000.21 = 87,793.95 : x
  2. Step 2: Convert to fraction form
    277,332.66/416,000.21 = 87,793.95/x
  3. Step 3: Cross multiply
    277,332.66x = 416,000.21 × 87,793.95
  4. Step 4: Simplify right side
    277,332.66x = 36,522,301,197.76
  5. Step 5: Solve for x
    x = 36,522,301,197.76/277,332.66
  6. Step 6: Final answer
    x = 131,691.31

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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.