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Finding the Fourth Proportional to 92,882.92, 139,344.54 and 30,551.08

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Solution

The fourth proportional to 92,882.92, 139,344.54 and 30,551.08 is: 45,833.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,882.92 : 139,344.54 = 30,551.08 : x
  2. Step 2: Convert to fraction form
    92,882.92/139,344.54 = 30,551.08/x
  3. Step 3: Cross multiply
    92,882.92x = 139,344.54 × 30,551.08
  4. Step 4: Simplify right side
    92,882.92x = 4,257,126,189.10
  5. Step 5: Solve for x
    x = 4,257,126,189.10/92,882.92
  6. Step 6: Final answer
    x = 45,833.25

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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.