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Finding the Fourth Proportional to 74,168.74, 111,240.79 and 26,774.74

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Solution

The fourth proportional to 74,168.74, 111,240.79 and 26,774.74 is: 40,157.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,168.74 : 111,240.79 = 26,774.74 : x
  2. Step 2: Convert to fraction form
    74,168.74/111,240.79 = 26,774.74/x
  3. Step 3: Cross multiply
    74,168.74x = 111,240.79 × 26,774.74
  4. Step 4: Simplify right side
    74,168.74x = 2,978,443,229.64
  5. Step 5: Solve for x
    x = 2,978,443,229.64/74,168.74
  6. Step 6: Final answer
    x = 40,157.66

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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.