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Finding the Fourth Proportional to 110,473.92, 165,693.78 and 60,578.64

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Solution

The fourth proportional to 110,473.92, 165,693.78 and 60,578.64 is: 90,858.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,473.92 : 165,693.78 = 60,578.64 : x
  2. Step 2: Convert to fraction form
    110,473.92/165,693.78 = 60,578.64/x
  3. Step 3: Cross multiply
    110,473.92x = 165,693.78 × 60,578.64
  4. Step 4: Simplify right side
    110,473.92x = 10,037,503,848.86
  5. Step 5: Solve for x
    x = 10,037,503,848.86/110,473.92
  6. Step 6: Final answer
    x = 90,858.58

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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.