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Finding the Fourth Proportional to 247,223.91, 370,844.97 and 69,735.66

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Solution

The fourth proportional to 247,223.91, 370,844.97 and 69,735.66 is: 104,606.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,223.91 : 370,844.97 = 69,735.66 : x
  2. Step 2: Convert to fraction form
    247,223.91/370,844.97 = 69,735.66/x
  3. Step 3: Cross multiply
    247,223.91x = 370,844.97 × 69,735.66
  4. Step 4: Simplify right side
    247,223.91x = 25,861,118,740.63
  5. Step 5: Solve for x
    x = 25,861,118,740.63/247,223.91
  6. Step 6: Final answer
    x = 104,606.06

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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.