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Finding the Fourth Proportional to 239,855.61, 330,998.61 and 132,423.33

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Solution

The fourth proportional to 239,855.61, 330,998.61 and 132,423.33 is: 182,743.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,855.61 : 330,998.61 = 132,423.33 : x
  2. Step 2: Convert to fraction form
    239,855.61/330,998.61 = 132,423.33/x
  3. Step 3: Cross multiply
    239,855.61x = 330,998.61 × 132,423.33
  4. Step 4: Simplify right side
    239,855.61x = 43,831,938,161.57
  5. Step 5: Solve for x
    x = 43,831,938,161.57/239,855.61
  6. Step 6: Final answer
    x = 182,743.02

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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.