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Finding the Fourth Proportional to 65,107, 89,845.17 and 36,813.28

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Solution

The fourth proportional to 65,107, 89,845.17 and 36,813.28 is: 50,800.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,107 : 89,845.17 = 36,813.28 : x
  2. Step 2: Convert to fraction form
    65,107/89,845.17 = 36,813.28/x
  3. Step 3: Cross multiply
    65,107x = 89,845.17 × 36,813.28
  4. Step 4: Simplify right side
    65,107x = 3,307,495,399.86
  5. Step 5: Solve for x
    x = 3,307,495,399.86/65,107
  6. Step 6: Final answer
    x = 50,800.92

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