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Finding the Fourth Proportional to 267,590.40, 401,339.52 and 125,450.88

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Solution

The fourth proportional to 267,590.40, 401,339.52 and 125,450.88 is: 188,154.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,590.40 : 401,339.52 = 125,450.88 : x
  2. Step 2: Convert to fraction form
    267,590.40/401,339.52 = 125,450.88/x
  3. Step 3: Cross multiply
    267,590.40x = 401,339.52 × 125,450.88
  4. Step 4: Simplify right side
    267,590.40x = 50,348,395,962.78
  5. Step 5: Solve for x
    x = 50,348,395,962.78/267,590.40
  6. Step 6: Final answer
    x = 188,154.72

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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.