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Finding the Fourth Proportional to 119,540.59, 164,951.67 and 68,550.70

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Solution

The fourth proportional to 119,540.59, 164,951.67 and 68,550.70 is: 94,591.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,540.59 : 164,951.67 = 68,550.70 : x
  2. Step 2: Convert to fraction form
    119,540.59/164,951.67 = 68,550.70/x
  3. Step 3: Cross multiply
    119,540.59x = 164,951.67 × 68,550.70
  4. Step 4: Simplify right side
    119,540.59x = 11,307,552,444.67
  5. Step 5: Solve for x
    x = 11,307,552,444.67/119,540.59
  6. Step 6: Final answer
    x = 94,591.74

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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.