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Finding the Fourth Proportional to 240,930.45, 361,191.96 and 151,988.40

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Solution

The fourth proportional to 240,930.45, 361,191.96 and 151,988.40 is: 227,854.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,930.45 : 361,191.96 = 151,988.40 : x
  2. Step 2: Convert to fraction form
    240,930.45/361,191.96 = 151,988.40/x
  3. Step 3: Cross multiply
    240,930.45x = 361,191.96 × 151,988.40
  4. Step 4: Simplify right side
    240,930.45x = 54,896,988,093.26
  5. Step 5: Solve for x
    x = 54,896,988,093.26/240,930.45
  6. Step 6: Final answer
    x = 227,854.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.