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Finding the Fourth Proportional to 265,367.80, 366,198.87 and 144,508.15

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Solution

The fourth proportional to 265,367.80, 366,198.87 and 144,508.15 is: 199,416.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,367.80 : 366,198.87 = 144,508.15 : x
  2. Step 2: Convert to fraction form
    265,367.80/366,198.87 = 144,508.15/x
  3. Step 3: Cross multiply
    265,367.80x = 366,198.87 × 144,508.15
  4. Step 4: Simplify right side
    265,367.80x = 52,918,721,235.79
  5. Step 5: Solve for x
    x = 52,918,721,235.79/265,367.80
  6. Step 6: Final answer
    x = 199,416.51

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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.