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Finding the Fourth Proportional to 239,652, 359,468.28 and 71,165.52

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Solution

The fourth proportional to 239,652, 359,468.28 and 71,165.52 is: 106,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,652 : 359,468.28 = 71,165.52 : x
  2. Step 2: Convert to fraction form
    239,652/359,468.28 = 71,165.52/x
  3. Step 3: Cross multiply
    239,652x = 359,468.28 × 71,165.52
  4. Step 4: Simplify right side
    239,652x = 25,581,747,069.71
  5. Step 5: Solve for x
    x = 25,581,747,069.71/239,652
  6. Step 6: Final answer
    x = 106,745.39

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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.