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Finding the Fourth Proportional to 118,604.72, 177,876.84 and 48,470.96

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Solution

The fourth proportional to 118,604.72, 177,876.84 and 48,470.96 is: 72,694.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,604.72 : 177,876.84 = 48,470.96 : x
  2. Step 2: Convert to fraction form
    118,604.72/177,876.84 = 48,470.96/x
  3. Step 3: Cross multiply
    118,604.72x = 177,876.84 × 48,470.96
  4. Step 4: Simplify right side
    118,604.72x = 8,621,861,196.57
  5. Step 5: Solve for x
    x = 8,621,861,196.57/118,604.72
  6. Step 6: Final answer
    x = 72,694.08

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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.