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Finding the Fourth Proportional to 135,379.71, 203,074.27 and 64,265.71

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Solution

The fourth proportional to 135,379.71, 203,074.27 and 64,265.71 is: 96,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,379.71 : 203,074.27 = 64,265.71 : x
  2. Step 2: Convert to fraction form
    135,379.71/203,074.27 = 64,265.71/x
  3. Step 3: Cross multiply
    135,379.71x = 203,074.27 × 64,265.71
  4. Step 4: Simplify right side
    135,379.71x = 13,050,712,789.34
  5. Step 5: Solve for x
    x = 13,050,712,789.34/135,379.71
  6. Step 6: Final answer
    x = 96,400.80

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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.