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Finding the Fourth Proportional to 72,002.73, 108,026.91 and 29,902.98

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Solution

The fourth proportional to 72,002.73, 108,026.91 and 29,902.98 is: 44,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,002.73 : 108,026.91 = 29,902.98 : x
  2. Step 2: Convert to fraction form
    72,002.73/108,026.91 = 29,902.98/x
  3. Step 3: Cross multiply
    72,002.73x = 108,026.91 × 29,902.98
  4. Step 4: Simplify right side
    72,002.73x = 3,230,326,529.19
  5. Step 5: Solve for x
    x = 3,230,326,529.19/72,002.73
  6. Step 6: Final answer
    x = 44,863.95

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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.