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Finding the Fourth Proportional to 72,167.45, 108,224.25 and 24,769.09

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Solution

The fourth proportional to 72,167.45, 108,224.25 and 24,769.09 is: 37,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,167.45 : 108,224.25 = 24,769.09 : x
  2. Step 2: Convert to fraction form
    72,167.45/108,224.25 = 24,769.09/x
  3. Step 3: Cross multiply
    72,167.45x = 108,224.25 × 24,769.09
  4. Step 4: Simplify right side
    72,167.45x = 2,680,616,230.83
  5. Step 5: Solve for x
    x = 2,680,616,230.83/72,167.45
  6. Step 6: Final answer
    x = 37,144.40

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1.5x scale

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.