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Finding the Fourth Proportional to 99,383.44, 149,023.80 and 29,253.68

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Solution

The fourth proportional to 99,383.44, 149,023.80 and 29,253.68 is: 43,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,383.44 : 149,023.80 = 29,253.68 : x
  2. Step 2: Convert to fraction form
    99,383.44/149,023.80 = 29,253.68/x
  3. Step 3: Cross multiply
    99,383.44x = 149,023.80 × 29,253.68
  4. Step 4: Simplify right side
    99,383.44x = 4,359,494,557.58
  5. Step 5: Solve for x
    x = 4,359,494,557.58/99,383.44
  6. Step 6: Final answer
    x = 43,865.40

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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.