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Finding the Fourth Proportional to 248,616.75, 372,675.44 and 80,013.17

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Solution

The fourth proportional to 248,616.75, 372,675.44 and 80,013.17 is: 119,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,616.75 : 372,675.44 = 80,013.17 : x
  2. Step 2: Convert to fraction form
    248,616.75/372,675.44 = 80,013.17/x
  3. Step 3: Cross multiply
    248,616.75x = 372,675.44 × 80,013.17
  4. Step 4: Simplify right side
    248,616.75x = 29,818,944,017.19
  5. Step 5: Solve for x
    x = 29,818,944,017.19/248,616.75
  6. Step 6: Final answer
    x = 119,939.40

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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.