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Finding the Fourth Proportional to 112,393.97, 168,645.93 and 49,205.46

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Solution

The fourth proportional to 112,393.97, 168,645.93 and 49,205.46 is: 73,832.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,393.97 : 168,645.93 = 49,205.46 : x
  2. Step 2: Convert to fraction form
    112,393.97/168,645.93 = 49,205.46/x
  3. Step 3: Cross multiply
    112,393.97x = 168,645.93 × 49,205.46
  4. Step 4: Simplify right side
    112,393.97x = 8,298,300,562.78
  5. Step 5: Solve for x
    x = 8,298,300,562.78/112,393.97
  6. Step 6: Final answer
    x = 73,832.26

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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.