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Finding the Fourth Proportional to 77,992.66, 116,997.18 and 25,406.24

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Solution

The fourth proportional to 77,992.66, 116,997.18 and 25,406.24 is: 38,112.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,992.66 : 116,997.18 = 25,406.24 : x
  2. Step 2: Convert to fraction form
    77,992.66/116,997.18 = 25,406.24/x
  3. Step 3: Cross multiply
    77,992.66x = 116,997.18 × 25,406.24
  4. Step 4: Simplify right side
    77,992.66x = 2,972,458,434.40
  5. Step 5: Solve for x
    x = 2,972,458,434.40/77,992.66
  6. Step 6: Final answer
    x = 38,112.03

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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.