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Finding the Fourth Proportional to 119,788.75, 179,807.69 and 88,234.41

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Solution

The fourth proportional to 119,788.75, 179,807.69 and 88,234.41 is: 132,443.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,788.75 : 179,807.69 = 88,234.41 : x
  2. Step 2: Convert to fraction form
    119,788.75/179,807.69 = 88,234.41/x
  3. Step 3: Cross multiply
    119,788.75x = 179,807.69 × 88,234.41
  4. Step 4: Simplify right side
    119,788.75x = 15,865,225,440.61
  5. Step 5: Solve for x
    x = 15,865,225,440.61/119,788.75
  6. Step 6: Final answer
    x = 132,443.37

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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.