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Finding the Fourth Proportional to 247,889.08, 371,858.19 and 79,367.05

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Solution

The fourth proportional to 247,889.08, 371,858.19 and 79,367.05 is: 119,058.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,889.08 : 371,858.19 = 79,367.05 : x
  2. Step 2: Convert to fraction form
    247,889.08/371,858.19 = 79,367.05/x
  3. Step 3: Cross multiply
    247,889.08x = 371,858.19 × 79,367.05
  4. Step 4: Simplify right side
    247,889.08x = 29,513,287,558.64
  5. Step 5: Solve for x
    x = 29,513,287,558.64/247,889.08
  6. Step 6: Final answer
    x = 119,058.44

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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.