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Finding the Fourth Proportional to 100,560.85, 150,926.33 and 41,438.95

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Solution

The fourth proportional to 100,560.85, 150,926.33 and 41,438.95 is: 62,193.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,560.85 : 150,926.33 = 41,438.95 : x
  2. Step 2: Convert to fraction form
    100,560.85/150,926.33 = 41,438.95/x
  3. Step 3: Cross multiply
    100,560.85x = 150,926.33 × 41,438.95
  4. Step 4: Simplify right side
    100,560.85x = 6,254,228,435.36
  5. Step 5: Solve for x
    x = 6,254,228,435.36/100,560.85
  6. Step 6: Final answer
    x = 62,193.47

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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.