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Finding the Fourth Proportional to 60,944.60, 91,238.70 and 43,448.60

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Solution

The fourth proportional to 60,944.60, 91,238.70 and 43,448.60 is: 65,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,944.60 : 91,238.70 = 43,448.60 : x
  2. Step 2: Convert to fraction form
    60,944.60/91,238.70 = 43,448.60/x
  3. Step 3: Cross multiply
    60,944.60x = 91,238.70 × 43,448.60
  4. Step 4: Simplify right side
    60,944.60x = 3,964,193,780.82
  5. Step 5: Solve for x
    x = 3,964,193,780.82/60,944.60
  6. Step 6: Final answer
    x = 65,045.86

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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.