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Finding the Fourth Proportional to 218,477.28, 327,762.72 and 123,752.23

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Solution

The fourth proportional to 218,477.28, 327,762.72 and 123,752.23 is: 185,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,477.28 : 327,762.72 = 123,752.23 : x
  2. Step 2: Convert to fraction form
    218,477.28/327,762.72 = 123,752.23/x
  3. Step 3: Cross multiply
    218,477.28x = 327,762.72 × 123,752.23
  4. Step 4: Simplify right side
    218,477.28x = 40,561,367,510.87
  5. Step 5: Solve for x
    x = 40,561,367,510.87/218,477.28
  6. Step 6: Final answer
    x = 185,654.85

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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.