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Finding the Fourth Proportional to 104,612.70, 156,920.13 and 41,448.18

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Solution

The fourth proportional to 104,612.70, 156,920.13 and 41,448.18 is: 62,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,612.70 : 156,920.13 = 41,448.18 : x
  2. Step 2: Convert to fraction form
    104,612.70/156,920.13 = 41,448.18/x
  3. Step 3: Cross multiply
    104,612.70x = 156,920.13 × 41,448.18
  4. Step 4: Simplify right side
    104,612.70x = 6,504,053,793.86
  5. Step 5: Solve for x
    x = 6,504,053,793.86/104,612.70
  6. Step 6: Final answer
    x = 62,172.70

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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.