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Finding the Fourth Proportional to 248,366.98, 342,694.56 and 162,451.90

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Solution

The fourth proportional to 248,366.98, 342,694.56 and 162,451.90 is: 224,149.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,366.98 : 342,694.56 = 162,451.90 : x
  2. Step 2: Convert to fraction form
    248,366.98/342,694.56 = 162,451.90/x
  3. Step 3: Cross multiply
    248,366.98x = 342,694.56 × 162,451.90
  4. Step 4: Simplify right side
    248,366.98x = 55,671,382,391.66
  5. Step 5: Solve for x
    x = 55,671,382,391.66/248,366.98
  6. Step 6: Final answer
    x = 224,149.69

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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.