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Finding the Fourth Proportional to 159,751.24, 220,299.24 and 123,928.18

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Solution

The fourth proportional to 159,751.24, 220,299.24 and 123,928.18 is: 170,898.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,751.24 : 220,299.24 = 123,928.18 : x
  2. Step 2: Convert to fraction form
    159,751.24/220,299.24 = 123,928.18/x
  3. Step 3: Cross multiply
    159,751.24x = 220,299.24 × 123,928.18
  4. Step 4: Simplify right side
    159,751.24x = 27,301,283,782.57
  5. Step 5: Solve for x
    x = 27,301,283,782.57/159,751.24
  6. Step 6: Final answer
    x = 170,898.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.