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Finding the Fourth Proportional to 229,466.97, 344,122.83 and 87,278.49

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Solution

The fourth proportional to 229,466.97, 344,122.83 and 87,278.49 is: 130,888.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,466.97 : 344,122.83 = 87,278.49 : x
  2. Step 2: Convert to fraction form
    229,466.97/344,122.83 = 87,278.49/x
  3. Step 3: Cross multiply
    229,466.97x = 344,122.83 × 87,278.49
  4. Step 4: Simplify right side
    229,466.97x = 30,034,520,976.93
  5. Step 5: Solve for x
    x = 30,034,520,976.93/229,466.97
  6. Step 6: Final answer
    x = 130,888.21

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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.