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Finding the Fourth Proportional to 247,569.48, 371,294.46 and 114,321.65

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Solution

The fourth proportional to 247,569.48, 371,294.46 and 114,321.65 is: 171,454.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,569.48 : 371,294.46 = 114,321.65 : x
  2. Step 2: Convert to fraction form
    247,569.48/371,294.46 = 114,321.65/x
  3. Step 3: Cross multiply
    247,569.48x = 371,294.46 × 114,321.65
  4. Step 4: Simplify right side
    247,569.48x = 42,446,993,446.59
  5. Step 5: Solve for x
    x = 42,446,993,446.59/247,569.48
  6. Step 6: Final answer
    x = 171,454.87

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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.