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Finding the Fourth Proportional to 109,370.44, 150,931.22 and 59,069.44

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Solution

The fourth proportional to 109,370.44, 150,931.22 and 59,069.44 is: 81,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,370.44 : 150,931.22 = 59,069.44 : x
  2. Step 2: Convert to fraction form
    109,370.44/150,931.22 = 59,069.44/x
  3. Step 3: Cross multiply
    109,370.44x = 150,931.22 × 59,069.44
  4. Step 4: Simplify right side
    109,370.44x = 8,915,422,643.92
  5. Step 5: Solve for x
    x = 8,915,422,643.92/109,370.44
  6. Step 6: Final answer
    x = 81,515.83

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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.