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Finding the Fourth Proportional to 66,924.31, 100,189.23 and 58,620.54

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Solution

The fourth proportional to 66,924.31, 100,189.23 and 58,620.54 is: 87,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,924.31 : 100,189.23 = 58,620.54 : x
  2. Step 2: Convert to fraction form
    66,924.31/100,189.23 = 58,620.54/x
  3. Step 3: Cross multiply
    66,924.31x = 100,189.23 × 58,620.54
  4. Step 4: Simplify right side
    66,924.31x = 5,873,147,085.54
  5. Step 5: Solve for x
    x = 5,873,147,085.54/66,924.31
  6. Step 6: Final answer
    x = 87,758.05

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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.