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Finding the Fourth Proportional to 181,251.32, 271,877.16 and 68,905.16

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Solution

The fourth proportional to 181,251.32, 271,877.16 and 68,905.16 is: 103,357.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,251.32 : 271,877.16 = 68,905.16 : x
  2. Step 2: Convert to fraction form
    181,251.32/271,877.16 = 68,905.16/x
  3. Step 3: Cross multiply
    181,251.32x = 271,877.16 × 68,905.16
  4. Step 4: Simplify right side
    181,251.32x = 18,733,739,210.15
  5. Step 5: Solve for x
    x = 18,733,739,210.15/181,251.32
  6. Step 6: Final answer
    x = 103,357.81

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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.