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Finding the Fourth Proportional to 92,508.67, 127,662.87 and 50,068.09

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Solution

The fourth proportional to 92,508.67, 127,662.87 and 50,068.09 is: 69,094.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,508.67 : 127,662.87 = 50,068.09 : x
  2. Step 2: Convert to fraction form
    92,508.67/127,662.87 = 50,068.09/x
  3. Step 3: Cross multiply
    92,508.67x = 127,662.87 × 50,068.09
  4. Step 4: Simplify right side
    92,508.67x = 6,391,836,064.82
  5. Step 5: Solve for x
    x = 6,391,836,064.82/92,508.67
  6. Step 6: Final answer
    x = 69,094.45

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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.