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Finding the Fourth Proportional to 109,372.44, 150,934 and 59,071.44

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Solution

The fourth proportional to 109,372.44, 150,934 and 59,071.44 is: 81,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,372.44 : 150,934 = 59,071.44 : x
  2. Step 2: Convert to fraction form
    109,372.44/150,934 = 59,071.44/x
  3. Step 3: Cross multiply
    109,372.44x = 150,934 × 59,071.44
  4. Step 4: Simplify right side
    109,372.44x = 8,915,888,724.96
  5. Step 5: Solve for x
    x = 8,915,888,724.96/109,372.44
  6. Step 6: Final answer
    x = 81,518.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.