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Finding the Fourth Proportional to 100,616.64, 150,727.74 and 58,408.20

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Solution

The fourth proportional to 100,616.64, 150,727.74 and 58,408.20 is: 87,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,616.64 : 150,727.74 = 58,408.20 : x
  2. Step 2: Convert to fraction form
    100,616.64/150,727.74 = 58,408.20/x
  3. Step 3: Cross multiply
    100,616.64x = 150,727.74 × 58,408.20
  4. Step 4: Simplify right side
    100,616.64x = 8,803,735,983.47
  5. Step 5: Solve for x
    x = 8,803,735,983.47/100,616.64
  6. Step 6: Final answer
    x = 87,497.81

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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.