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Finding the Fourth Proportional to 92,712.57, 139,022.85 and 29,524.46

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Solution

The fourth proportional to 92,712.57, 139,022.85 and 29,524.46 is: 44,272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,712.57 : 139,022.85 = 29,524.46 : x
  2. Step 2: Convert to fraction form
    92,712.57/139,022.85 = 29,524.46/x
  3. Step 3: Cross multiply
    92,712.57x = 139,022.85 × 29,524.46
  4. Step 4: Simplify right side
    92,712.57x = 4,104,574,339.00
  5. Step 5: Solve for x
    x = 4,104,574,339.00/92,712.57
  6. Step 6: Final answer
    x = 44,272.04

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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.