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Finding the Fourth Proportional to 92,234.70, 138,351.78 and 29,060.10

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Solution

The fourth proportional to 92,234.70, 138,351.78 and 29,060.10 is: 43,590.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,234.70 : 138,351.78 = 29,060.10 : x
  2. Step 2: Convert to fraction form
    92,234.70/138,351.78 = 29,060.10/x
  3. Step 3: Cross multiply
    92,234.70x = 138,351.78 × 29,060.10
  4. Step 4: Simplify right side
    92,234.70x = 4,020,516,561.98
  5. Step 5: Solve for x
    x = 4,020,516,561.98/92,234.70
  6. Step 6: Final answer
    x = 43,590.06

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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.