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Finding the Fourth Proportional to 247,906.88, 372,006.08 and 98,161.60

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Solution

The fourth proportional to 247,906.88, 372,006.08 and 98,161.60 is: 147,300.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,906.88 : 372,006.08 = 98,161.60 : x
  2. Step 2: Convert to fraction form
    247,906.88/372,006.08 = 98,161.60/x
  3. Step 3: Cross multiply
    247,906.88x = 372,006.08 × 98,161.60
  4. Step 4: Simplify right side
    247,906.88x = 36,516,712,022.53
  5. Step 5: Solve for x
    x = 36,516,712,022.53/247,906.88
  6. Step 6: Final answer
    x = 147,300.12

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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.