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Finding the Fourth Proportional to 108,759.97, 150,153.11 and 68,508.24

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Solution

The fourth proportional to 108,759.97, 150,153.11 and 68,508.24 is: 94,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,759.97 : 150,153.11 = 68,508.24 : x
  2. Step 2: Convert to fraction form
    108,759.97/150,153.11 = 68,508.24/x
  3. Step 3: Cross multiply
    108,759.97x = 150,153.11 × 68,508.24
  4. Step 4: Simplify right side
    108,759.97x = 10,286,725,296.63
  5. Step 5: Solve for x
    x = 10,286,725,296.63/108,759.97
  6. Step 6: Final answer
    x = 94,581.91

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1.5x scale

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.