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Finding the Fourth Proportional to 66,928.59, 100,195.62 and 58,624.83

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Solution

The fourth proportional to 66,928.59, 100,195.62 and 58,624.83 is: 87,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,928.59 : 100,195.62 = 58,624.83 : x
  2. Step 2: Convert to fraction form
    66,928.59/100,195.62 = 58,624.83/x
  3. Step 3: Cross multiply
    66,928.59x = 100,195.62 × 58,624.83
  4. Step 4: Simplify right side
    66,928.59x = 5,873,951,189.24
  5. Step 5: Solve for x
    x = 5,873,951,189.24/66,928.59
  6. Step 6: Final answer
    x = 87,764.45

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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.