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Finding the Fourth Proportional to 101,973.26, 140,712.90 and 59,556.50

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Solution

The fourth proportional to 101,973.26, 140,712.90 and 59,556.50 is: 82,182.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,973.26 : 140,712.90 = 59,556.50 : x
  2. Step 2: Convert to fraction form
    101,973.26/140,712.90 = 59,556.50/x
  3. Step 3: Cross multiply
    101,973.26x = 140,712.90 × 59,556.50
  4. Step 4: Simplify right side
    101,973.26x = 8,380,367,828.85
  5. Step 5: Solve for x
    x = 8,380,367,828.85/101,973.26
  6. Step 6: Final answer
    x = 82,182.01

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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.