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Finding the Fourth Proportional to 75,066.84, 112,600.44 and 60,959.88

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Solution

The fourth proportional to 75,066.84, 112,600.44 and 60,959.88 is: 91,439.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,066.84 : 112,600.44 = 60,959.88 : x
  2. Step 2: Convert to fraction form
    75,066.84/112,600.44 = 60,959.88/x
  3. Step 3: Cross multiply
    75,066.84x = 112,600.44 × 60,959.88
  4. Step 4: Simplify right side
    75,066.84x = 6,864,109,310.35
  5. Step 5: Solve for x
    x = 6,864,109,310.35/75,066.84
  6. Step 6: Final answer
    x = 91,439.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.