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Finding the Fourth Proportional to 67,886.64, 101,726.01 and 34,556.76

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Solution

The fourth proportional to 67,886.64, 101,726.01 and 34,556.76 is: 51,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,886.64 : 101,726.01 = 34,556.76 : x
  2. Step 2: Convert to fraction form
    67,886.64/101,726.01 = 34,556.76/x
  3. Step 3: Cross multiply
    67,886.64x = 101,726.01 × 34,556.76
  4. Step 4: Simplify right side
    67,886.64x = 3,515,321,313.33
  5. Step 5: Solve for x
    x = 3,515,321,313.33/67,886.64
  6. Step 6: Final answer
    x = 51,782.23

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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.