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Finding the Fourth Proportional to 74,233.80, 111,323.04 and 29,845.60

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Solution

The fourth proportional to 74,233.80, 111,323.04 and 29,845.60 is: 44,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,233.80 : 111,323.04 = 29,845.60 : x
  2. Step 2: Convert to fraction form
    74,233.80/111,323.04 = 29,845.60/x
  3. Step 3: Cross multiply
    74,233.80x = 111,323.04 × 29,845.60
  4. Step 4: Simplify right side
    74,233.80x = 3,322,502,922.62
  5. Step 5: Solve for x
    x = 3,322,502,922.62/74,233.80
  6. Step 6: Final answer
    x = 44,757.28

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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.