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Finding the Fourth Proportional to 103,203.24, 154,801.62 and 29,331.24

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Solution

The fourth proportional to 103,203.24, 154,801.62 and 29,331.24 is: 43,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,203.24 : 154,801.62 = 29,331.24 : x
  2. Step 2: Convert to fraction form
    103,203.24/154,801.62 = 29,331.24/x
  3. Step 3: Cross multiply
    103,203.24x = 154,801.62 × 29,331.24
  4. Step 4: Simplify right side
    103,203.24x = 4,540,523,468.61
  5. Step 5: Solve for x
    x = 4,540,523,468.61/103,203.24
  6. Step 6: Final answer
    x = 43,995.94

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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.