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Finding the Fourth Proportional to 75,518.67, 113,270.68 and 22,928.61

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Solution

The fourth proportional to 75,518.67, 113,270.68 and 22,928.61 is: 34,390.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,518.67 : 113,270.68 = 22,928.61 : x
  2. Step 2: Convert to fraction form
    75,518.67/113,270.68 = 22,928.61/x
  3. Step 3: Cross multiply
    75,518.67x = 113,270.68 × 22,928.61
  4. Step 4: Simplify right side
    75,518.67x = 2,597,139,246.15
  5. Step 5: Solve for x
    x = 2,597,139,246.15/75,518.67
  6. Step 6: Final answer
    x = 34,390.69

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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.