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Finding the Fourth Proportional to 247,935.47, 371,755.38 and 98,197.25

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Solution

The fourth proportional to 247,935.47, 371,755.38 and 98,197.25 is: 147,237.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,935.47 : 371,755.38 = 98,197.25 : x
  2. Step 2: Convert to fraction form
    247,935.47/371,755.38 = 98,197.25/x
  3. Step 3: Cross multiply
    247,935.47x = 371,755.38 × 98,197.25
  4. Step 4: Simplify right side
    247,935.47x = 36,505,355,988.71
  5. Step 5: Solve for x
    x = 36,505,355,988.71/247,935.47
  6. Step 6: Final answer
    x = 147,237.33

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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.