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Finding the Fourth Proportional to 247,213.86, 370,787.84 and 69,735.16

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Solution

The fourth proportional to 247,213.86, 370,787.84 and 69,735.16 is: 104,593.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,213.86 : 370,787.84 = 69,735.16 : x
  2. Step 2: Convert to fraction form
    247,213.86/370,787.84 = 69,735.16/x
  3. Step 3: Cross multiply
    247,213.86x = 370,787.84 × 69,735.16
  4. Step 4: Simplify right side
    247,213.86x = 25,856,950,117.03
  5. Step 5: Solve for x
    x = 25,856,950,117.03/247,213.86
  6. Step 6: Final answer
    x = 104,593.45

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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.