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Finding the Fourth Proportional to 110,565.40, 165,665.70 and 63,736.60

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Solution

The fourth proportional to 110,565.40, 165,665.70 and 63,736.60 is: 95,499.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,565.40 : 165,665.70 = 63,736.60 : x
  2. Step 2: Convert to fraction form
    110,565.40/165,665.70 = 63,736.60/x
  3. Step 3: Cross multiply
    110,565.40x = 165,665.70 × 63,736.60
  4. Step 4: Simplify right side
    110,565.40x = 10,558,968,454.62
  5. Step 5: Solve for x
    x = 10,558,968,454.62/110,565.40
  6. Step 6: Final answer
    x = 95,499.75

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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.