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Finding the Fourth Proportional to 218,062.80, 327,094.20 and 93,416.40

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Solution

The fourth proportional to 218,062.80, 327,094.20 and 93,416.40 is: 140,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,062.80 : 327,094.20 = 93,416.40 : x
  2. Step 2: Convert to fraction form
    218,062.80/327,094.20 = 93,416.40/x
  3. Step 3: Cross multiply
    218,062.80x = 327,094.20 × 93,416.40
  4. Step 4: Simplify right side
    218,062.80x = 30,555,962,624.88
  5. Step 5: Solve for x
    x = 30,555,962,624.88/218,062.80
  6. Step 6: Final answer
    x = 140,124.60

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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.