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Finding the Fourth Proportional to 223,871.23, 335,868.33 and 66,099.64

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Solution

The fourth proportional to 223,871.23, 335,868.33 and 66,099.64 is: 99,167.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,871.23 : 335,868.33 = 66,099.64 : x
  2. Step 2: Convert to fraction form
    223,871.23/335,868.33 = 66,099.64/x
  3. Step 3: Cross multiply
    223,871.23x = 335,868.33 × 66,099.64
  4. Step 4: Simplify right side
    223,871.23x = 22,200,775,700.40
  5. Step 5: Solve for x
    x = 22,200,775,700.40/223,871.23
  6. Step 6: Final answer
    x = 99,167.61

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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.