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Finding the Fourth Proportional to 101,682.48, 140,274.36 and 63,977.52

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Solution

The fourth proportional to 101,682.48, 140,274.36 and 63,977.52 is: 88,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,682.48 : 140,274.36 = 63,977.52 : x
  2. Step 2: Convert to fraction form
    101,682.48/140,274.36 = 63,977.52/x
  3. Step 3: Cross multiply
    101,682.48x = 140,274.36 × 63,977.52
  4. Step 4: Simplify right side
    101,682.48x = 8,974,405,672.39
  5. Step 5: Solve for x
    x = 8,974,405,672.39/101,682.48
  6. Step 6: Final answer
    x = 88,259.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.