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Finding the Fourth Proportional to 251,332.32, 377,025.96 and 109,079.80

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Solution

The fourth proportional to 251,332.32, 377,025.96 and 109,079.80 is: 163,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,332.32 : 377,025.96 = 109,079.80 : x
  2. Step 2: Convert to fraction form
    251,332.32/377,025.96 = 109,079.80/x
  3. Step 3: Cross multiply
    251,332.32x = 377,025.96 × 109,079.80
  4. Step 4: Simplify right side
    251,332.32x = 41,125,916,311.61
  5. Step 5: Solve for x
    x = 41,125,916,311.61/251,332.32
  6. Step 6: Final answer
    x = 163,631.63

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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.