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Finding the Fourth Proportional to 229,154.52, 343,750.23 and 87,067.89

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Solution

The fourth proportional to 229,154.52, 343,750.23 and 87,067.89 is: 130,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,154.52 : 343,750.23 = 87,067.89 : x
  2. Step 2: Convert to fraction form
    229,154.52/343,750.23 = 87,067.89/x
  3. Step 3: Cross multiply
    229,154.52x = 343,750.23 × 87,067.89
  4. Step 4: Simplify right side
    229,154.52x = 29,929,607,213.11
  5. Step 5: Solve for x
    x = 29,929,607,213.11/229,154.52
  6. Step 6: Final answer
    x = 130,608.85

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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.