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Finding the Fourth Proportional to 144,610.64, 199,552.84 and 80,947.92

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Solution

The fourth proportional to 144,610.64, 199,552.84 and 80,947.92 is: 111,702.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,610.64 : 199,552.84 = 80,947.92 : x
  2. Step 2: Convert to fraction form
    144,610.64/199,552.84 = 80,947.92/x
  3. Step 3: Cross multiply
    144,610.64x = 199,552.84 × 80,947.92
  4. Step 4: Simplify right side
    144,610.64x = 16,153,387,328.09
  5. Step 5: Solve for x
    x = 16,153,387,328.09/144,610.64
  6. Step 6: Final answer
    x = 111,702.62

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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.