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Finding the Fourth Proportional to 165,074.40, 247,611.60 and 59,879.70

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Solution

The fourth proportional to 165,074.40, 247,611.60 and 59,879.70 is: 89,819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,074.40 : 247,611.60 = 59,879.70 : x
  2. Step 2: Convert to fraction form
    165,074.40/247,611.60 = 59,879.70/x
  3. Step 3: Cross multiply
    165,074.40x = 247,611.60 × 59,879.70
  4. Step 4: Simplify right side
    165,074.40x = 14,826,908,324.52
  5. Step 5: Solve for x
    x = 14,826,908,324.52/165,074.40
  6. Step 6: Final answer
    x = 89,819.55

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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.