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Finding the Fourth Proportional to 110,404.65, 165,631.41 and 40,283.76

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Solution

The fourth proportional to 110,404.65, 165,631.41 and 40,283.76 is: 60,434.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,404.65 : 165,631.41 = 40,283.76 : x
  2. Step 2: Convert to fraction form
    110,404.65/165,631.41 = 40,283.76/x
  3. Step 3: Cross multiply
    110,404.65x = 165,631.41 × 40,283.76
  4. Step 4: Simplify right side
    110,404.65x = 6,672,255,968.90
  5. Step 5: Solve for x
    x = 6,672,255,968.90/110,404.65
  6. Step 6: Final answer
    x = 60,434.56

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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.