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Finding the Fourth Proportional to 118,422.60, 177,734.70 and 48,352.20

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Solution

The fourth proportional to 118,422.60, 177,734.70 and 48,352.20 is: 72,569.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,422.60 : 177,734.70 = 48,352.20 : x
  2. Step 2: Convert to fraction form
    118,422.60/177,734.70 = 48,352.20/x
  3. Step 3: Cross multiply
    118,422.60x = 177,734.70 × 48,352.20
  4. Step 4: Simplify right side
    118,422.60x = 8,593,863,761.34
  5. Step 5: Solve for x
    x = 8,593,863,761.34/118,422.60
  6. Step 6: Final answer
    x = 72,569.46

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1.5x scale

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.