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Finding the Fourth Proportional to 135,758.92, 203,556.54 and 60,865.52

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Solution

The fourth proportional to 135,758.92, 203,556.54 and 60,865.52 is: 91,261.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,758.92 : 203,556.54 = 60,865.52 : x
  2. Step 2: Convert to fraction form
    135,758.92/203,556.54 = 60,865.52/x
  3. Step 3: Cross multiply
    135,758.92x = 203,556.54 × 60,865.52
  4. Step 4: Simplify right side
    135,758.92x = 12,389,574,656.50
  5. Step 5: Solve for x
    x = 12,389,574,656.50/135,758.92
  6. Step 6: Final answer
    x = 91,261.59

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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.