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Finding the Fourth Proportional to 101,776.75, 140,458.28 and 58,764.11

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Solution

The fourth proportional to 101,776.75, 140,458.28 and 58,764.11 is: 81,098.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,776.75 : 140,458.28 = 58,764.11 : x
  2. Step 2: Convert to fraction form
    101,776.75/140,458.28 = 58,764.11/x
  3. Step 3: Cross multiply
    101,776.75x = 140,458.28 × 58,764.11
  4. Step 4: Simplify right side
    101,776.75x = 8,253,905,346.94
  5. Step 5: Solve for x
    x = 8,253,905,346.94/101,776.75
  6. Step 6: Final answer
    x = 81,098.14

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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.