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Finding the Fourth Proportional to 247,016.90, 370,525.48 and 69,523.91

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Solution

The fourth proportional to 247,016.90, 370,525.48 and 69,523.91 is: 104,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,016.90 : 370,525.48 = 69,523.91 : x
  2. Step 2: Convert to fraction form
    247,016.90/370,525.48 = 69,523.91/x
  3. Step 3: Cross multiply
    247,016.90x = 370,525.48 × 69,523.91
  4. Step 4: Simplify right side
    247,016.90x = 25,760,380,124.23
  5. Step 5: Solve for x
    x = 25,760,380,124.23/247,016.90
  6. Step 6: Final answer
    x = 104,285.90

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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.