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Finding the Fourth Proportional to 247,553.86, 341,622.12 and 134,376.52

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Solution

The fourth proportional to 247,553.86, 341,622.12 and 134,376.52 is: 185,438.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,553.86 : 341,622.12 = 134,376.52 : x
  2. Step 2: Convert to fraction form
    247,553.86/341,622.12 = 134,376.52/x
  3. Step 3: Cross multiply
    247,553.86x = 341,622.12 × 134,376.52
  4. Step 4: Simplify right side
    247,553.86x = 45,905,991,640.62
  5. Step 5: Solve for x
    x = 45,905,991,640.62/247,553.86
  6. Step 6: Final answer
    x = 185,438.40

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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.