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Finding the Fourth Proportional to 239,488.32, 330,486.81 and 132,058.32

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Solution

The fourth proportional to 239,488.32, 330,486.81 and 132,058.32 is: 182,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,488.32 : 330,486.81 = 132,058.32 : x
  2. Step 2: Convert to fraction form
    239,488.32/330,486.81 = 132,058.32/x
  3. Step 3: Cross multiply
    239,488.32x = 330,486.81 × 132,058.32
  4. Step 4: Simplify right side
    239,488.32x = 43,643,532,250.47
  5. Step 5: Solve for x
    x = 43,643,532,250.47/239,488.32
  6. Step 6: Final answer
    x = 182,236.58

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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.