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Finding the Fourth Proportional to 247,906.19, 371,829.29 and 68,006.25

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Solution

The fourth proportional to 247,906.19, 371,829.29 and 68,006.25 is: 102,001.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,906.19 : 371,829.29 = 68,006.25 : x
  2. Step 2: Convert to fraction form
    247,906.19/371,829.29 = 68,006.25/x
  3. Step 3: Cross multiply
    247,906.19x = 371,829.29 × 68,006.25
  4. Step 4: Simplify right side
    247,906.19x = 25,286,715,313.03
  5. Step 5: Solve for x
    x = 25,286,715,313.03/247,906.19
  6. Step 6: Final answer
    x = 102,001.15

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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.