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Finding the Fourth Proportional to 110,555.34, 165,833.04 and 40,396.38

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Solution

The fourth proportional to 110,555.34, 165,833.04 and 40,396.38 is: 60,594.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,555.34 : 165,833.04 = 40,396.38 : x
  2. Step 2: Convert to fraction form
    110,555.34/165,833.04 = 40,396.38/x
  3. Step 3: Cross multiply
    110,555.34x = 165,833.04 × 40,396.38
  4. Step 4: Simplify right side
    110,555.34x = 6,699,054,500.40
  5. Step 5: Solve for x
    x = 6,699,054,500.40/110,555.34
  6. Step 6: Final answer
    x = 60,594.58

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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.