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Finding the Fourth Proportional to 162,486.80, 243,874.20 and 95,843.60

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Solution

The fourth proportional to 162,486.80, 243,874.20 and 95,843.60 is: 143,850.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,486.80 : 243,874.20 = 95,843.60 : x
  2. Step 2: Convert to fraction form
    162,486.80/243,874.20 = 95,843.60/x
  3. Step 3: Cross multiply
    162,486.80x = 243,874.20 × 95,843.60
  4. Step 4: Simplify right side
    162,486.80x = 23,373,781,275.12
  5. Step 5: Solve for x
    x = 23,373,781,275.12/162,486.80
  6. Step 6: Final answer
    x = 143,850.34

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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.