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Finding the Fourth Proportional to 118,560.27, 177,774.78 and 48,488.79

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Solution

The fourth proportional to 118,560.27, 177,774.78 and 48,488.79 is: 72,706.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,560.27 : 177,774.78 = 48,488.79 : x
  2. Step 2: Convert to fraction form
    118,560.27/177,774.78 = 48,488.79/x
  3. Step 3: Cross multiply
    118,560.27x = 177,774.78 × 48,488.79
  4. Step 4: Simplify right side
    118,560.27x = 8,620,083,974.72
  5. Step 5: Solve for x
    x = 8,620,083,974.72/118,560.27
  6. Step 6: Final answer
    x = 72,706.35

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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.