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Finding the Fourth Proportional to 117,780.59, 176,671.92 and 33,540.68

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Solution

The fourth proportional to 117,780.59, 176,671.92 and 33,540.68 is: 50,311.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,780.59 : 176,671.92 = 33,540.68 : x
  2. Step 2: Convert to fraction form
    117,780.59/176,671.92 = 33,540.68/x
  3. Step 3: Cross multiply
    117,780.59x = 176,671.92 × 33,540.68
  4. Step 4: Simplify right side
    117,780.59x = 5,925,696,166.00
  5. Step 5: Solve for x
    x = 5,925,696,166.00/117,780.59
  6. Step 6: Final answer
    x = 50,311.32

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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.