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Finding the Fourth Proportional to 101,597.98, 140,273.72 and 63,415.69

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Solution

The fourth proportional to 101,597.98, 140,273.72 and 63,415.69 is: 87,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,597.98 : 140,273.72 = 63,415.69 : x
  2. Step 2: Convert to fraction form
    101,597.98/140,273.72 = 63,415.69/x
  3. Step 3: Cross multiply
    101,597.98x = 140,273.72 × 63,415.69
  4. Step 4: Simplify right side
    101,597.98x = 8,895,554,742.67
  5. Step 5: Solve for x
    x = 8,895,554,742.67/101,597.98
  6. Step 6: Final answer
    x = 87,556.41

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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.