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Finding the Fourth Proportional to 92,789.94, 139,116.75 and 29,573.70

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Solution

The fourth proportional to 92,789.94, 139,116.75 and 29,573.70 is: 44,338.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,789.94 : 139,116.75 = 29,573.70 : x
  2. Step 2: Convert to fraction form
    92,789.94/139,116.75 = 29,573.70/x
  3. Step 3: Cross multiply
    92,789.94x = 139,116.75 × 29,573.70
  4. Step 4: Simplify right side
    92,789.94x = 4,114,197,029.48
  5. Step 5: Solve for x
    x = 4,114,197,029.48/92,789.94
  6. Step 6: Final answer
    x = 44,338.83

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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.