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Finding the Fourth Proportional to 132,498.91, 182,831.88 and 89,571.80

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Solution

The fourth proportional to 132,498.91, 182,831.88 and 89,571.80 is: 123,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,498.91 : 182,831.88 = 89,571.80 : x
  2. Step 2: Convert to fraction form
    132,498.91/182,831.88 = 89,571.80/x
  3. Step 3: Cross multiply
    132,498.91x = 182,831.88 × 89,571.80
  4. Step 4: Simplify right side
    132,498.91x = 16,376,580,588.98
  5. Step 5: Solve for x
    x = 16,376,580,588.98/132,498.91
  6. Step 6: Final answer
    x = 123,597.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.