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Finding the Fourth Proportional to 247,718.52, 371,676.24 and 79,264.80

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Solution

The fourth proportional to 247,718.52, 371,676.24 and 79,264.80 is: 118,928.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,718.52 : 371,676.24 = 79,264.80 : x
  2. Step 2: Convert to fraction form
    247,718.52/371,676.24 = 79,264.80/x
  3. Step 3: Cross multiply
    247,718.52x = 371,676.24 × 79,264.80
  4. Step 4: Simplify right side
    247,718.52x = 29,460,842,828.35
  5. Step 5: Solve for x
    x = 29,460,842,828.35/247,718.52
  6. Step 6: Final answer
    x = 118,928.71

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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.