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Finding the Fourth Proportional to 120,600.81, 180,928.77 and 41,714.97

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Solution

The fourth proportional to 120,600.81, 180,928.77 and 41,714.97 is: 62,581.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,600.81 : 180,928.77 = 41,714.97 : x
  2. Step 2: Convert to fraction form
    120,600.81/180,928.77 = 41,714.97/x
  3. Step 3: Cross multiply
    120,600.81x = 180,928.77 × 41,714.97
  4. Step 4: Simplify right side
    120,600.81x = 7,547,438,212.69
  5. Step 5: Solve for x
    x = 7,547,438,212.69/120,600.81
  6. Step 6: Final answer
    x = 62,581.99

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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.