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Finding the Fourth Proportional to 361,898.32, 542,839.32 and 125,226.72

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Solution

The fourth proportional to 361,898.32, 542,839.32 and 125,226.72 is: 187,837.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,898.32 : 542,839.32 = 125,226.72 : x
  2. Step 2: Convert to fraction form
    361,898.32/542,839.32 = 125,226.72/x
  3. Step 3: Cross multiply
    361,898.32x = 542,839.32 × 125,226.72
  4. Step 4: Simplify right side
    361,898.32x = 67,977,987,530.63
  5. Step 5: Solve for x
    x = 67,977,987,530.63/361,898.32
  6. Step 6: Final answer
    x = 187,837.26

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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.