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Finding the Fourth Proportional to 92,444.51, 138,719.04 and 50,327.50

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Solution

The fourth proportional to 92,444.51, 138,719.04 and 50,327.50 is: 75,519.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,444.51 : 138,719.04 = 50,327.50 : x
  2. Step 2: Convert to fraction form
    92,444.51/138,719.04 = 50,327.50/x
  3. Step 3: Cross multiply
    92,444.51x = 138,719.04 × 50,327.50
  4. Step 4: Simplify right side
    92,444.51x = 6,981,382,847.73
  5. Step 5: Solve for x
    x = 6,981,382,847.73/92,444.51
  6. Step 6: Final answer
    x = 75,519.72

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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.