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Finding the Fourth Proportional to 229,164.52, 343,765.28 and 87,077.92

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Solution

The fourth proportional to 229,164.52, 343,765.28 and 87,077.92 is: 130,623.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,164.52 : 343,765.28 = 87,077.92 : x
  2. Step 2: Convert to fraction form
    229,164.52/343,765.28 = 87,077.92/x
  3. Step 3: Cross multiply
    229,164.52x = 343,765.28 × 87,077.92
  4. Step 4: Simplify right side
    229,164.52x = 29,934,365,550.62
  5. Step 5: Solve for x
    x = 29,934,365,550.62/229,164.52
  6. Step 6: Final answer
    x = 130,623.91

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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.