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Finding the Fourth Proportional to 85,464.92, 117,935.52 and 47,224.04

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Solution

The fourth proportional to 85,464.92, 117,935.52 and 47,224.04 is: 65,165.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,464.92 : 117,935.52 = 47,224.04 : x
  2. Step 2: Convert to fraction form
    85,464.92/117,935.52 = 47,224.04/x
  3. Step 3: Cross multiply
    85,464.92x = 117,935.52 × 47,224.04
  4. Step 4: Simplify right side
    85,464.92x = 5,569,391,713.90
  5. Step 5: Solve for x
    x = 5,569,391,713.90/85,464.92
  6. Step 6: Final answer
    x = 65,165.82

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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.