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Finding the Fourth Proportional to 239,599.80, 330,643.62 and 132,180.12

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Solution

The fourth proportional to 239,599.80, 330,643.62 and 132,180.12 is: 182,406.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,599.80 : 330,643.62 = 132,180.12 : x
  2. Step 2: Convert to fraction form
    239,599.80/330,643.62 = 132,180.12/x
  3. Step 3: Cross multiply
    239,599.80x = 330,643.62 × 132,180.12
  4. Step 4: Simplify right side
    239,599.80x = 43,704,513,368.83
  5. Step 5: Solve for x
    x = 43,704,513,368.83/239,599.80
  6. Step 6: Final answer
    x = 182,406.30

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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.