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Finding the Fourth Proportional to 247,902.48, 372,006.36 and 98,117.28

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Solution

The fourth proportional to 247,902.48, 372,006.36 and 98,117.28 is: 147,236.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,902.48 : 372,006.36 = 98,117.28 : x
  2. Step 2: Convert to fraction form
    247,902.48/372,006.36 = 98,117.28/x
  3. Step 3: Cross multiply
    247,902.48x = 372,006.36 × 98,117.28
  4. Step 4: Simplify right side
    247,902.48x = 36,500,252,185.90
  5. Step 5: Solve for x
    x = 36,500,252,185.90/247,902.48
  6. Step 6: Final answer
    x = 147,236.33

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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.