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Finding the Fourth Proportional to 265,456.80, 366,336.54 and 144,604.80

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Solution

The fourth proportional to 265,456.80, 366,336.54 and 144,604.80 is: 199,557.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,456.80 : 366,336.54 = 144,604.80 : x
  2. Step 2: Convert to fraction form
    265,456.80/366,336.54 = 144,604.80/x
  3. Step 3: Cross multiply
    265,456.80x = 366,336.54 × 144,604.80
  4. Step 4: Simplify right side
    265,456.80x = 52,974,022,099.39
  5. Step 5: Solve for x
    x = 52,974,022,099.39/265,456.80
  6. Step 6: Final answer
    x = 199,557.98

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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.