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Finding the Fourth Proportional to 244,195.40, 366,357.90 and 86,407.40

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Solution

The fourth proportional to 244,195.40, 366,357.90 and 86,407.40 is: 129,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,195.40 : 366,357.90 = 86,407.40 : x
  2. Step 2: Convert to fraction form
    244,195.40/366,357.90 = 86,407.40/x
  3. Step 3: Cross multiply
    244,195.40x = 366,357.90 × 86,407.40
  4. Step 4: Simplify right side
    244,195.40x = 31,656,033,608.46
  5. Step 5: Solve for x
    x = 31,656,033,608.46/244,195.40
  6. Step 6: Final answer
    x = 129,634.03

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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.