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Finding the Fourth Proportional to 109,092.52, 150,559.08 and 66,679.32

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Solution

The fourth proportional to 109,092.52, 150,559.08 and 66,679.32 is: 92,024.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,092.52 : 150,559.08 = 66,679.32 : x
  2. Step 2: Convert to fraction form
    109,092.52/150,559.08 = 66,679.32/x
  3. Step 3: Cross multiply
    109,092.52x = 150,559.08 × 66,679.32
  4. Step 4: Simplify right side
    109,092.52x = 10,039,177,074.23
  5. Step 5: Solve for x
    x = 10,039,177,074.23/109,092.52
  6. Step 6: Final answer
    x = 92,024.43

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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.