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Finding the Fourth Proportional to 159,888.36, 220,512.42 and 119,697.24

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Solution

The fourth proportional to 159,888.36, 220,512.42 and 119,697.24 is: 165,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,888.36 : 220,512.42 = 119,697.24 : x
  2. Step 2: Convert to fraction form
    159,888.36/220,512.42 = 119,697.24/x
  3. Step 3: Cross multiply
    159,888.36x = 220,512.42 × 119,697.24
  4. Step 4: Simplify right side
    159,888.36x = 26,394,728,059.72
  5. Step 5: Solve for x
    x = 26,394,728,059.72/159,888.36
  6. Step 6: Final answer
    x = 165,082.24

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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.