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Finding the Fourth Proportional to 229,801.77, 344,608.34 and 87,698.79

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Solution

The fourth proportional to 229,801.77, 344,608.34 and 87,698.79 is: 131,512.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,801.77 : 344,608.34 = 87,698.79 : x
  2. Step 2: Convert to fraction form
    229,801.77/344,608.34 = 87,698.79/x
  3. Step 3: Cross multiply
    229,801.77x = 344,608.34 × 87,698.79
  4. Step 4: Simplify right side
    229,801.77x = 30,221,734,003.41
  5. Step 5: Solve for x
    x = 30,221,734,003.41/229,801.77
  6. Step 6: Final answer
    x = 131,512.19

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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.