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Finding the Fourth Proportional to 74,441.80, 111,630.30 and 24,502.60

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Solution

The fourth proportional to 74,441.80, 111,630.30 and 24,502.60 is: 36,743.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,441.80 : 111,630.30 = 24,502.60 : x
  2. Step 2: Convert to fraction form
    74,441.80/111,630.30 = 24,502.60/x
  3. Step 3: Cross multiply
    74,441.80x = 111,630.30 × 24,502.60
  4. Step 4: Simplify right side
    74,441.80x = 2,735,232,588.78
  5. Step 5: Solve for x
    x = 2,735,232,588.78/74,441.80
  6. Step 6: Final answer
    x = 36,743.24

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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.