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Finding the Fourth Proportional to 247,737.28, 371,305.68 and 114,340

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Solution

The fourth proportional to 247,737.28, 371,305.68 and 114,340 is: 171,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,737.28 : 371,305.68 = 114,340 : x
  2. Step 2: Convert to fraction form
    247,737.28/371,305.68 = 114,340/x
  3. Step 3: Cross multiply
    247,737.28x = 371,305.68 × 114,340
  4. Step 4: Simplify right side
    247,737.28x = 42,455,091,451.20
  5. Step 5: Solve for x
    x = 42,455,091,451.20/247,737.28
  6. Step 6: Final answer
    x = 171,371.43

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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.