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Finding the Fourth Proportional to 92,552.61, 138,828.91 and 22,431.92

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Solution

The fourth proportional to 92,552.61, 138,828.91 and 22,431.92 is: 33,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,552.61 : 138,828.91 = 22,431.92 : x
  2. Step 2: Convert to fraction form
    92,552.61/138,828.91 = 22,431.92/x
  3. Step 3: Cross multiply
    92,552.61x = 138,828.91 × 22,431.92
  4. Step 4: Simplify right side
    92,552.61x = 3,114,198,196.50
  5. Step 5: Solve for x
    x = 3,114,198,196.50/92,552.61
  6. Step 6: Final answer
    x = 33,647.87

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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.