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Finding the Fourth Proportional to 85,168.16, 117,558.24 and 49,367.24

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Solution

The fourth proportional to 85,168.16, 117,558.24 and 49,367.24 is: 68,141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,168.16 : 117,558.24 = 49,367.24 : x
  2. Step 2: Convert to fraction form
    85,168.16/117,558.24 = 49,367.24/x
  3. Step 3: Cross multiply
    85,168.16x = 117,558.24 × 49,367.24
  4. Step 4: Simplify right side
    85,168.16x = 5,803,525,848.06
  5. Step 5: Solve for x
    x = 5,803,525,848.06/85,168.16
  6. Step 6: Final answer
    x = 68,141.97

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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.