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Finding the Fourth Proportional to 92,992.25, 139,501.52 and 29,797.61

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Solution

The fourth proportional to 92,992.25, 139,501.52 and 29,797.61 is: 44,700.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,992.25 : 139,501.52 = 29,797.61 : x
  2. Step 2: Convert to fraction form
    92,992.25/139,501.52 = 29,797.61/x
  3. Step 3: Cross multiply
    92,992.25x = 139,501.52 × 29,797.61
  4. Step 4: Simplify right side
    92,992.25x = 4,156,811,040.87
  5. Step 5: Solve for x
    x = 4,156,811,040.87/92,992.25
  6. Step 6: Final answer
    x = 44,700.62

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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.