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Finding the Fourth Proportional to 247,755.43, 341,902.83 and 134,578.18

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Solution

The fourth proportional to 247,755.43, 341,902.83 and 134,578.18 is: 185,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,755.43 : 341,902.83 = 134,578.18 : x
  2. Step 2: Convert to fraction form
    247,755.43/341,902.83 = 134,578.18/x
  3. Step 3: Cross multiply
    247,755.43x = 341,902.83 × 134,578.18
  4. Step 4: Simplify right side
    247,755.43x = 46,012,660,598.25
  5. Step 5: Solve for x
    x = 46,012,660,598.25/247,755.43
  6. Step 6: Final answer
    x = 185,718.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.