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Finding the Fourth Proportional to 267,335.62, 400,975.17 and 140,925.22

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Solution

The fourth proportional to 267,335.62, 400,975.17 and 140,925.22 is: 211,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,335.62 : 400,975.17 = 140,925.22 : x
  2. Step 2: Convert to fraction form
    267,335.62/400,975.17 = 140,925.22/x
  3. Step 3: Cross multiply
    267,335.62x = 400,975.17 × 140,925.22
  4. Step 4: Simplify right side
    267,335.62x = 56,507,514,046.79
  5. Step 5: Solve for x
    x = 56,507,514,046.79/267,335.62
  6. Step 6: Final answer
    x = 211,372.93

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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.