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Finding the Fourth Proportional to 247,897.62, 371,847.51 and 98,131.86

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Solution

The fourth proportional to 247,897.62, 371,847.51 and 98,131.86 is: 147,198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,897.62 : 371,847.51 = 98,131.86 : x
  2. Step 2: Convert to fraction form
    247,897.62/371,847.51 = 98,131.86/x
  3. Step 3: Cross multiply
    247,897.62x = 371,847.51 × 98,131.86
  4. Step 4: Simplify right side
    247,897.62x = 36,490,087,792.67
  5. Step 5: Solve for x
    x = 36,490,087,792.67/247,897.62
  6. Step 6: Final answer
    x = 147,198.22

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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.