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Finding the Fourth Proportional to 239,855.86, 330,998.97 and 132,423.60

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Solution

The fourth proportional to 239,855.86, 330,998.97 and 132,423.60 is: 182,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,855.86 : 330,998.97 = 132,423.60 : x
  2. Step 2: Convert to fraction form
    239,855.86/330,998.97 = 132,423.60/x
  3. Step 3: Cross multiply
    239,855.86x = 330,998.97 × 132,423.60
  4. Step 4: Simplify right side
    239,855.86x = 43,832,075,203.69
  5. Step 5: Solve for x
    x = 43,832,075,203.69/239,855.86
  6. Step 6: Final answer
    x = 182,743.40

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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.