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Finding the Fourth Proportional to 92,122.61, 138,183.91 and 25,562.76

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Solution

The fourth proportional to 92,122.61, 138,183.91 and 25,562.76 is: 38,344.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,122.61 : 138,183.91 = 25,562.76 : x
  2. Step 2: Convert to fraction form
    92,122.61/138,183.91 = 25,562.76/x
  3. Step 3: Cross multiply
    92,122.61x = 138,183.91 × 25,562.76
  4. Step 4: Simplify right side
    92,122.61x = 3,532,361,998.34
  5. Step 5: Solve for x
    x = 3,532,361,998.34/92,122.61
  6. Step 6: Final answer
    x = 38,344.14

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1.5x scale

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.