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Finding the Fourth Proportional to 108,838.92, 150,198.30 and 61,092.84

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Solution

The fourth proportional to 108,838.92, 150,198.30 and 61,092.84 is: 84,308.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,838.92 : 150,198.30 = 61,092.84 : x
  2. Step 2: Convert to fraction form
    108,838.92/150,198.30 = 61,092.84/x
  3. Step 3: Cross multiply
    108,838.92x = 150,198.30 × 61,092.84
  4. Step 4: Simplify right side
    108,838.92x = 9,176,040,710.17
  5. Step 5: Solve for x
    x = 9,176,040,710.17/108,838.92
  6. Step 6: Final answer
    x = 84,308.45

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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.