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Finding the Fourth Proportional to 68,232.56, 94,158.86 and 39,552.80

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Solution

The fourth proportional to 68,232.56, 94,158.86 and 39,552.80 is: 54,581.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,232.56 : 94,158.86 = 39,552.80 : x
  2. Step 2: Convert to fraction form
    68,232.56/94,158.86 = 39,552.80/x
  3. Step 3: Cross multiply
    68,232.56x = 94,158.86 × 39,552.80
  4. Step 4: Simplify right side
    68,232.56x = 3,724,245,889.25
  5. Step 5: Solve for x
    x = 3,724,245,889.25/68,232.56
  6. Step 6: Final answer
    x = 54,581.66

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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.