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Finding the Fourth Proportional to 92,041.87, 138,047.43 and 25,488.73

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Solution

The fourth proportional to 92,041.87, 138,047.43 and 25,488.73 is: 38,228.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,041.87 : 138,047.43 = 25,488.73 : x
  2. Step 2: Convert to fraction form
    92,041.87/138,047.43 = 25,488.73/x
  3. Step 3: Cross multiply
    92,041.87x = 138,047.43 × 25,488.73
  4. Step 4: Simplify right side
    92,041.87x = 3,518,652,982.87
  5. Step 5: Solve for x
    x = 3,518,652,982.87/92,041.87
  6. Step 6: Final answer
    x = 38,228.83

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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.