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Finding the Fourth Proportional to 239,494.74, 330,495.17 and 132,069.30

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Solution

The fourth proportional to 239,494.74, 330,495.17 and 132,069.30 is: 182,251.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,494.74 : 330,495.17 = 132,069.30 : x
  2. Step 2: Convert to fraction form
    239,494.74/330,495.17 = 132,069.30/x
  3. Step 3: Cross multiply
    239,494.74x = 330,495.17 × 132,069.30
  4. Step 4: Simplify right side
    239,494.74x = 43,648,265,094.93
  5. Step 5: Solve for x
    x = 43,648,265,094.93/239,494.74
  6. Step 6: Final answer
    x = 182,251.46

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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.