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Finding the Fourth Proportional to 89,652.92, 134,479.29 and 27,323.42

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Solution

The fourth proportional to 89,652.92, 134,479.29 and 27,323.42 is: 40,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,652.92 : 134,479.29 = 27,323.42 : x
  2. Step 2: Convert to fraction form
    89,652.92/134,479.29 = 27,323.42/x
  3. Step 3: Cross multiply
    89,652.92x = 134,479.29 × 27,323.42
  4. Step 4: Simplify right side
    89,652.92x = 3,674,434,121.97
  5. Step 5: Solve for x
    x = 3,674,434,121.97/89,652.92
  6. Step 6: Final answer
    x = 40,985.10

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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.