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Finding the Fourth Proportional to 247,781.34, 341,936.37 and 134,604.90

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Solution

The fourth proportional to 247,781.34, 341,936.37 and 134,604.90 is: 185,753.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,781.34 : 341,936.37 = 134,604.90 : x
  2. Step 2: Convert to fraction form
    247,781.34/341,936.37 = 134,604.90/x
  3. Step 3: Cross multiply
    247,781.34x = 341,936.37 × 134,604.90
  4. Step 4: Simplify right side
    247,781.34x = 46,026,310,890.21
  5. Step 5: Solve for x
    x = 46,026,310,890.21/247,781.34
  6. Step 6: Final answer
    x = 185,753.74

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1.5x scale

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.