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Finding the Fourth Proportional to 120,717.52, 181,119.48 and 61,568.08

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Solution

The fourth proportional to 120,717.52, 181,119.48 and 61,568.08 is: 92,374.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,717.52 : 181,119.48 = 61,568.08 : x
  2. Step 2: Convert to fraction form
    120,717.52/181,119.48 = 61,568.08/x
  3. Step 3: Cross multiply
    120,717.52x = 181,119.48 × 61,568.08
  4. Step 4: Simplify right side
    120,717.52x = 11,151,178,634.20
  5. Step 5: Solve for x
    x = 11,151,178,634.20/120,717.52
  6. Step 6: Final answer
    x = 92,374.15

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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.