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Finding the Fourth Proportional to 120,951.60, 181,427.40 and 37,834.80

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Solution

The fourth proportional to 120,951.60, 181,427.40 and 37,834.80 is: 56,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,951.60 : 181,427.40 = 37,834.80 : x
  2. Step 2: Convert to fraction form
    120,951.60/181,427.40 = 37,834.80/x
  3. Step 3: Cross multiply
    120,951.60x = 181,427.40 × 37,834.80
  4. Step 4: Simplify right side
    120,951.60x = 6,864,269,393.52
  5. Step 5: Solve for x
    x = 6,864,269,393.52/120,951.60
  6. Step 6: Final answer
    x = 56,752.20

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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.