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Finding the Fourth Proportional to 239,850.60, 330,987.24 and 132,418.68

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Solution

The fourth proportional to 239,850.60, 330,987.24 and 132,418.68 is: 182,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,850.60 : 330,987.24 = 132,418.68 : x
  2. Step 2: Convert to fraction form
    239,850.60/330,987.24 = 132,418.68/x
  3. Step 3: Cross multiply
    239,850.60x = 330,987.24 × 132,418.68
  4. Step 4: Simplify right side
    239,850.60x = 43,828,893,417.64
  5. Step 5: Solve for x
    x = 43,828,893,417.64/239,850.60
  6. Step 6: Final answer
    x = 182,734.14

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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.