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Finding the Fourth Proportional to 75,616.60, 113,252.10 and 44,512.60

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Solution

The fourth proportional to 75,616.60, 113,252.10 and 44,512.60 is: 66,667.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,616.60 : 113,252.10 = 44,512.60 : x
  2. Step 2: Convert to fraction form
    75,616.60/113,252.10 = 44,512.60/x
  3. Step 3: Cross multiply
    75,616.60x = 113,252.10 × 44,512.60
  4. Step 4: Simplify right side
    75,616.60x = 5,041,145,426.46
  5. Step 5: Solve for x
    x = 5,041,145,426.46/75,616.60
  6. Step 6: Final answer
    x = 66,667.18

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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.