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Finding the Fourth Proportional to 101,073.90, 151,443.99 and 61,511.34

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Solution

The fourth proportional to 101,073.90, 151,443.99 and 61,511.34 is: 92,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,073.90 : 151,443.99 = 61,511.34 : x
  2. Step 2: Convert to fraction form
    101,073.90/151,443.99 = 61,511.34/x
  3. Step 3: Cross multiply
    101,073.90x = 151,443.99 × 61,511.34
  4. Step 4: Simplify right side
    101,073.90x = 9,315,522,759.85
  5. Step 5: Solve for x
    x = 9,315,522,759.85/101,073.90
  6. Step 6: Final answer
    x = 92,165.46

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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.