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Finding the Fourth Proportional to 135,713.60, 203,570.40 and 93,723.20

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Solution

The fourth proportional to 135,713.60, 203,570.40 and 93,723.20 is: 140,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,713.60 : 203,570.40 = 93,723.20 : x
  2. Step 2: Convert to fraction form
    135,713.60/203,570.40 = 93,723.20/x
  3. Step 3: Cross multiply
    135,713.60x = 203,570.40 × 93,723.20
  4. Step 4: Simplify right side
    135,713.60x = 19,079,269,313.28
  5. Step 5: Solve for x
    x = 19,079,269,313.28/135,713.60
  6. Step 6: Final answer
    x = 140,584.80

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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.