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Finding the Fourth Proportional to 247,411.86, 341,428.39 and 134,234.62

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Solution

The fourth proportional to 247,411.86, 341,428.39 and 134,234.62 is: 185,243.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,411.86 : 341,428.39 = 134,234.62 : x
  2. Step 2: Convert to fraction form
    247,411.86/341,428.39 = 134,234.62/x
  3. Step 3: Cross multiply
    247,411.86x = 341,428.39 × 134,234.62
  4. Step 4: Simplify right side
    247,411.86x = 45,831,510,188.86
  5. Step 5: Solve for x
    x = 45,831,510,188.86/247,411.86
  6. Step 6: Final answer
    x = 185,243.79

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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.