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Finding the Fourth Proportional to 218,370.74, 327,222.59 and 147,029.88

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Solution

The fourth proportional to 218,370.74, 327,222.59 and 147,029.88 is: 220,320.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,370.74 : 327,222.59 = 147,029.88 : x
  2. Step 2: Convert to fraction form
    218,370.74/327,222.59 = 147,029.88/x
  3. Step 3: Cross multiply
    218,370.74x = 327,222.59 × 147,029.88
  4. Step 4: Simplify right side
    218,370.74x = 48,111,498,632.92
  5. Step 5: Solve for x
    x = 48,111,498,632.92/218,370.74
  6. Step 6: Final answer
    x = 220,320.27

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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.