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Finding the Fourth Proportional to 69,922.65, 104,767.32 and 49,108.89

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Solution

The fourth proportional to 69,922.65, 104,767.32 and 49,108.89 is: 73,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,922.65 : 104,767.32 = 49,108.89 : x
  2. Step 2: Convert to fraction form
    69,922.65/104,767.32 = 49,108.89/x
  3. Step 3: Cross multiply
    69,922.65x = 104,767.32 × 49,108.89
  4. Step 4: Simplify right side
    69,922.65x = 5,145,006,793.47
  5. Step 5: Solve for x
    x = 5,145,006,793.47/69,922.65
  6. Step 6: Final answer
    x = 73,581.40

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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.