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Finding the Fourth Proportional to 73,628.64, 101,617.56 and 43,422.48

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Solution

The fourth proportional to 73,628.64, 101,617.56 and 43,422.48 is: 59,928.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,628.64 : 101,617.56 = 43,422.48 : x
  2. Step 2: Convert to fraction form
    73,628.64/101,617.56 = 43,422.48/x
  3. Step 3: Cross multiply
    73,628.64x = 101,617.56 × 43,422.48
  4. Step 4: Simplify right side
    73,628.64x = 4,412,486,466.75
  5. Step 5: Solve for x
    x = 4,412,486,466.75/73,628.64
  6. Step 6: Final answer
    x = 59,928.94

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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.