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Finding the Fourth Proportional to 73,251.75, 110,426.66 and 68,369.24

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Solution

The fourth proportional to 73,251.75, 110,426.66 and 68,369.24 is: 103,066.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,251.75 : 110,426.66 = 68,369.24 : x
  2. Step 2: Convert to fraction form
    73,251.75/110,426.66 = 68,369.24/x
  3. Step 3: Cross multiply
    73,251.75x = 110,426.66 × 68,369.24
  4. Step 4: Simplify right side
    73,251.75x = 7,549,785,925.96
  5. Step 5: Solve for x
    x = 7,549,785,925.96/73,251.75
  6. Step 6: Final answer
    x = 103,066.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.