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Finding the Fourth Proportional to 265,344.91, 366,180.34 and 144,488.55

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Solution

The fourth proportional to 265,344.91, 366,180.34 and 144,488.55 is: 199,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,344.91 : 366,180.34 = 144,488.55 : x
  2. Step 2: Convert to fraction form
    265,344.91/366,180.34 = 144,488.55/x
  3. Step 3: Cross multiply
    265,344.91x = 366,180.34 × 144,488.55
  4. Step 4: Simplify right side
    265,344.91x = 52,908,866,003.89
  5. Step 5: Solve for x
    x = 52,908,866,003.89/265,344.91
  6. Step 6: Final answer
    x = 199,396.58

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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.