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Finding the Fourth Proportional to 92,625.45, 138,949.92 and 29,423.01

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Solution

The fourth proportional to 92,625.45, 138,949.92 and 29,423.01 is: 44,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,625.45 : 138,949.92 = 29,423.01 : x
  2. Step 2: Convert to fraction form
    92,625.45/138,949.92 = 29,423.01/x
  3. Step 3: Cross multiply
    92,625.45x = 138,949.92 × 29,423.01
  4. Step 4: Simplify right side
    92,625.45x = 4,088,324,885.66
  5. Step 5: Solve for x
    x = 4,088,324,885.66/92,625.45
  6. Step 6: Final answer
    x = 44,138.25

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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.