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Finding the Fourth Proportional to 220,318.72, 330,034.56 and 101,826.88

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Solution

The fourth proportional to 220,318.72, 330,034.56 and 101,826.88 is: 152,535.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,318.72 : 330,034.56 = 101,826.88 : x
  2. Step 2: Convert to fraction form
    220,318.72/330,034.56 = 101,826.88/x
  3. Step 3: Cross multiply
    220,318.72x = 330,034.56 × 101,826.88
  4. Step 4: Simplify right side
    220,318.72x = 33,606,389,536.97
  5. Step 5: Solve for x
    x = 33,606,389,536.97/220,318.72
  6. Step 6: Final answer
    x = 152,535.33

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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.