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Finding the Fourth Proportional to 100,559.93, 150,703.82 and 38,196.41

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Solution

The fourth proportional to 100,559.93, 150,703.82 and 38,196.41 is: 57,242.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,559.93 : 150,703.82 = 38,196.41 : x
  2. Step 2: Convert to fraction form
    100,559.93/150,703.82 = 38,196.41/x
  3. Step 3: Cross multiply
    100,559.93x = 150,703.82 × 38,196.41
  4. Step 4: Simplify right side
    100,559.93x = 5,756,344,706.30
  5. Step 5: Solve for x
    x = 5,756,344,706.30/100,559.93
  6. Step 6: Final answer
    x = 57,242.93

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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.