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Finding the Fourth Proportional to 100,091.40, 150,092.82 and 29,957.64

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Solution

The fourth proportional to 100,091.40, 150,092.82 and 29,957.64 is: 44,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,091.40 : 150,092.82 = 29,957.64 : x
  2. Step 2: Convert to fraction form
    100,091.40/150,092.82 = 29,957.64/x
  3. Step 3: Cross multiply
    100,091.40x = 150,092.82 × 29,957.64
  4. Step 4: Simplify right side
    100,091.40x = 4,496,426,668.14
  5. Step 5: Solve for x
    x = 4,496,426,668.14/100,091.40
  6. Step 6: Final answer
    x = 44,923.21

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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.