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Finding the Fourth Proportional to 218,222.68, 327,323.47 and 76,062.20

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Solution

The fourth proportional to 218,222.68, 327,323.47 and 76,062.20 is: 114,089.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,222.68 : 327,323.47 = 76,062.20 : x
  2. Step 2: Convert to fraction form
    218,222.68/327,323.47 = 76,062.20/x
  3. Step 3: Cross multiply
    218,222.68x = 327,323.47 × 76,062.20
  4. Step 4: Simplify right side
    218,222.68x = 24,896,943,239.83
  5. Step 5: Solve for x
    x = 24,896,943,239.83/218,222.68
  6. Step 6: Final answer
    x = 114,089.62

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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.