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Finding the Fourth Proportional to 67,355.36, 92,949.60 and 37,139.96

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Solution

The fourth proportional to 67,355.36, 92,949.60 and 37,139.96 is: 51,252.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,355.36 : 92,949.60 = 37,139.96 : x
  2. Step 2: Convert to fraction form
    67,355.36/92,949.60 = 37,139.96/x
  3. Step 3: Cross multiply
    67,355.36x = 92,949.60 × 37,139.96
  4. Step 4: Simplify right side
    67,355.36x = 3,452,144,426.02
  5. Step 5: Solve for x
    x = 3,452,144,426.02/67,355.36
  6. Step 6: Final answer
    x = 51,252.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.