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Finding the Fourth Proportional to 247,048.40, 370,745.40 and 158,517.20

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Solution

The fourth proportional to 247,048.40, 370,745.40 and 158,517.20 is: 237,886.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,048.40 : 370,745.40 = 158,517.20 : x
  2. Step 2: Convert to fraction form
    247,048.40/370,745.40 = 158,517.20/x
  3. Step 3: Cross multiply
    247,048.40x = 370,745.40 × 158,517.20
  4. Step 4: Simplify right side
    247,048.40x = 58,769,522,720.88
  5. Step 5: Solve for x
    x = 58,769,522,720.88/247,048.40
  6. Step 6: Final answer
    x = 237,886.68

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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.