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Finding the Fourth Proportional to 232,354.20, 348,524.10 and 66,142.20

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Solution

The fourth proportional to 232,354.20, 348,524.10 and 66,142.20 is: 99,211.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,354.20 : 348,524.10 = 66,142.20 : x
  2. Step 2: Convert to fraction form
    232,354.20/348,524.10 = 66,142.20/x
  3. Step 3: Cross multiply
    232,354.20x = 348,524.10 × 66,142.20
  4. Step 4: Simplify right side
    232,354.20x = 23,052,150,727.02
  5. Step 5: Solve for x
    x = 23,052,150,727.02/232,354.20
  6. Step 6: Final answer
    x = 99,211.25

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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.