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Finding the Fourth Proportional to 89,832.96, 134,601.66 and 71,232.48

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Solution

The fourth proportional to 89,832.96, 134,601.66 and 71,232.48 is: 106,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,832.96 : 134,601.66 = 71,232.48 : x
  2. Step 2: Convert to fraction form
    89,832.96/134,601.66 = 71,232.48/x
  3. Step 3: Cross multiply
    89,832.96x = 134,601.66 × 71,232.48
  4. Step 4: Simplify right side
    89,832.96x = 9,588,010,053.92
  5. Step 5: Solve for x
    x = 9,588,010,053.92/89,832.96
  6. Step 6: Final answer
    x = 106,731.54

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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.