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Finding the Fourth Proportional to 247,367.52, 371,051.28 and 89,559.36

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Solution

The fourth proportional to 247,367.52, 371,051.28 and 89,559.36 is: 134,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,367.52 : 371,051.28 = 89,559.36 : x
  2. Step 2: Convert to fraction form
    247,367.52/371,051.28 = 89,559.36/x
  3. Step 3: Cross multiply
    247,367.52x = 371,051.28 × 89,559.36
  4. Step 4: Simplify right side
    247,367.52x = 33,231,115,163.98
  5. Step 5: Solve for x
    x = 33,231,115,163.98/247,367.52
  6. Step 6: Final answer
    x = 134,339.04

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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.