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Finding the Fourth Proportional to 110,486.70, 165,802.68 and 60,601.75

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Solution

The fourth proportional to 110,486.70, 165,802.68 and 60,601.75 is: 90,942.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,486.70 : 165,802.68 = 60,601.75 : x
  2. Step 2: Convert to fraction form
    110,486.70/165,802.68 = 60,601.75/x
  3. Step 3: Cross multiply
    110,486.70x = 165,802.68 × 60,601.75
  4. Step 4: Simplify right side
    110,486.70x = 10,047,932,562.69
  5. Step 5: Solve for x
    x = 10,047,932,562.69/110,486.70
  6. Step 6: Final answer
    x = 90,942.46

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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.