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Finding the Fourth Proportional to 99,773.22, 149,656.15 and 29,650.71

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Solution

The fourth proportional to 99,773.22, 149,656.15 and 29,650.71 is: 44,474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,773.22 : 149,656.15 = 29,650.71 : x
  2. Step 2: Convert to fraction form
    99,773.22/149,656.15 = 29,650.71/x
  3. Step 3: Cross multiply
    99,773.22x = 149,656.15 × 29,650.71
  4. Step 4: Simplify right side
    99,773.22x = 4,437,411,103.37
  5. Step 5: Solve for x
    x = 4,437,411,103.37/99,773.22
  6. Step 6: Final answer
    x = 44,474.97

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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.