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Finding the Fourth Proportional to 95,481.99, 131,712.08 and 88,724.16

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Solution

The fourth proportional to 95,481.99, 131,712.08 and 88,724.16 is: 122,390.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,481.99 : 131,712.08 = 88,724.16 : x
  2. Step 2: Convert to fraction form
    95,481.99/131,712.08 = 88,724.16/x
  3. Step 3: Cross multiply
    95,481.99x = 131,712.08 × 88,724.16
  4. Step 4: Simplify right side
    95,481.99x = 11,686,043,216.23
  5. Step 5: Solve for x
    x = 11,686,043,216.23/95,481.99
  6. Step 6: Final answer
    x = 122,390.03

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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.