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Finding the Fourth Proportional to 92,979.55, 139,470.31 and 36,833.33

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Solution

The fourth proportional to 92,979.55, 139,470.31 and 36,833.33 is: 55,250.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,979.55 : 139,470.31 = 36,833.33 : x
  2. Step 2: Convert to fraction form
    92,979.55/139,470.31 = 36,833.33/x
  3. Step 3: Cross multiply
    92,979.55x = 139,470.31 × 36,833.33
  4. Step 4: Simplify right side
    92,979.55x = 5,137,156,140.96
  5. Step 5: Solve for x
    x = 5,137,156,140.96/92,979.55
  6. Step 6: Final answer
    x = 55,250.39

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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.