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Finding the Fourth Proportional to 218,076.60, 327,114.90 and 134,095.80

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Solution

The fourth proportional to 218,076.60, 327,114.90 and 134,095.80 is: 201,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,076.60 : 327,114.90 = 134,095.80 : x
  2. Step 2: Convert to fraction form
    218,076.60/327,114.90 = 134,095.80/x
  3. Step 3: Cross multiply
    218,076.60x = 327,114.90 × 134,095.80
  4. Step 4: Simplify right side
    218,076.60x = 43,864,734,207.42
  5. Step 5: Solve for x
    x = 43,864,734,207.42/218,076.60
  6. Step 6: Final answer
    x = 201,143.70

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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.