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Finding the Fourth Proportional to 110,499.93, 165,832.39 and 74,876.75

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Solution

The fourth proportional to 110,499.93, 165,832.39 and 74,876.75 is: 112,371.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,499.93 : 165,832.39 = 74,876.75 : x
  2. Step 2: Convert to fraction form
    110,499.93/165,832.39 = 74,876.75/x
  3. Step 3: Cross multiply
    110,499.93x = 165,832.39 × 74,876.75
  4. Step 4: Simplify right side
    110,499.93x = 12,416,990,916.11
  5. Step 5: Solve for x
    x = 12,416,990,916.11/110,499.93
  6. Step 6: Final answer
    x = 112,371.03

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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.