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Finding the Fourth Proportional to 109,199.52, 150,704.08 and 61,449.84

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Solution

The fourth proportional to 109,199.52, 150,704.08 and 61,449.84 is: 84,805.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,199.52 : 150,704.08 = 61,449.84 : x
  2. Step 2: Convert to fraction form
    109,199.52/150,704.08 = 61,449.84/x
  3. Step 3: Cross multiply
    109,199.52x = 150,704.08 × 61,449.84
  4. Step 4: Simplify right side
    109,199.52x = 9,260,741,603.35
  5. Step 5: Solve for x
    x = 9,260,741,603.35/109,199.52
  6. Step 6: Final answer
    x = 84,805.70

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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.