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Finding the Fourth Proportional to 63,138.54, 94,556.97 and 34,988.76

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Solution

The fourth proportional to 63,138.54, 94,556.97 and 34,988.76 is: 52,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,138.54 : 94,556.97 = 34,988.76 : x
  2. Step 2: Convert to fraction form
    63,138.54/94,556.97 = 34,988.76/x
  3. Step 3: Cross multiply
    63,138.54x = 94,556.97 × 34,988.76
  4. Step 4: Simplify right side
    63,138.54x = 3,308,431,129.66
  5. Step 5: Solve for x
    x = 3,308,431,129.66/63,138.54
  6. Step 6: Final answer
    x = 52,399.55

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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.