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Finding the Fourth Proportional to 218,020.50, 327,030.90 and 60,249.10

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Solution

The fourth proportional to 218,020.50, 327,030.90 and 60,249.10 is: 90,373.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,020.50 : 327,030.90 = 60,249.10 : x
  2. Step 2: Convert to fraction form
    218,020.50/327,030.90 = 60,249.10/x
  3. Step 3: Cross multiply
    218,020.50x = 327,030.90 × 60,249.10
  4. Step 4: Simplify right side
    218,020.50x = 19,703,317,397.19
  5. Step 5: Solve for x
    x = 19,703,317,397.19/218,020.50
  6. Step 6: Final answer
    x = 90,373.69

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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.