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Finding the Fourth Proportional to 231,587.77, 347,481.01 and 89,532.81

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Solution

The fourth proportional to 231,587.77, 347,481.01 and 89,532.81 is: 134,337.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,587.77 : 347,481.01 = 89,532.81 : x
  2. Step 2: Convert to fraction form
    231,587.77/347,481.01 = 89,532.81/x
  3. Step 3: Cross multiply
    231,587.77x = 347,481.01 × 89,532.81
  4. Step 4: Simplify right side
    231,587.77x = 31,110,952,326.16
  5. Step 5: Solve for x
    x = 31,110,952,326.16/231,587.77
  6. Step 6: Final answer
    x = 134,337.63

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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.