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Finding the Fourth Proportional to 144,597.64, 199,542.42 and 80,935.24

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Solution

The fourth proportional to 144,597.64, 199,542.42 and 80,935.24 is: 111,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,597.64 : 199,542.42 = 80,935.24 : x
  2. Step 2: Convert to fraction form
    144,597.64/199,542.42 = 80,935.24/x
  3. Step 3: Cross multiply
    144,597.64x = 199,542.42 × 80,935.24
  4. Step 4: Simplify right side
    144,597.64x = 16,150,013,652.88
  5. Step 5: Solve for x
    x = 16,150,013,652.88/144,597.64
  6. Step 6: Final answer
    x = 111,689.33

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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.