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Finding the Fourth Proportional to 149,053.01, 205,625.30 and 88,589.29

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Solution

The fourth proportional to 149,053.01, 205,625.30 and 88,589.29 is: 122,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,053.01 : 205,625.30 = 88,589.29 : x
  2. Step 2: Convert to fraction form
    149,053.01/205,625.30 = 88,589.29/x
  3. Step 3: Cross multiply
    149,053.01x = 205,625.30 × 88,589.29
  4. Step 4: Simplify right side
    149,053.01x = 18,216,199,847.10
  5. Step 5: Solve for x
    x = 18,216,199,847.10/149,053.01
  6. Step 6: Final answer
    x = 122,212.90

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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.