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Finding the Fourth Proportional to 239,648.85, 330,715.44 and 132,219.14

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Solution

The fourth proportional to 239,648.85, 330,715.44 and 132,219.14 is: 182,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,648.85 : 330,715.44 = 132,219.14 : x
  2. Step 2: Convert to fraction form
    239,648.85/330,715.44 = 132,219.14/x
  3. Step 3: Cross multiply
    239,648.85x = 330,715.44 × 132,219.14
  4. Step 4: Simplify right side
    239,648.85x = 43,726,909,407.94
  5. Step 5: Solve for x
    x = 43,726,909,407.94/239,648.85
  6. Step 6: Final answer
    x = 182,462.42

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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.