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Finding the Fourth Proportional to 251,589.60, 377,304.42 and 83,078.52

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Solution

The fourth proportional to 251,589.60, 377,304.42 and 83,078.52 is: 124,591.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,589.60 : 377,304.42 = 83,078.52 : x
  2. Step 2: Convert to fraction form
    251,589.60/377,304.42 = 83,078.52/x
  3. Step 3: Cross multiply
    251,589.60x = 377,304.42 × 83,078.52
  4. Step 4: Simplify right side
    251,589.60x = 31,345,892,803.06
  5. Step 5: Solve for x
    x = 31,345,892,803.06/251,589.60
  6. Step 6: Final answer
    x = 124,591.37

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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.