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Finding the Fourth Proportional to 92,493.38, 127,640.97 and 50,051.91

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Solution

The fourth proportional to 92,493.38, 127,640.97 and 50,051.91 is: 69,071.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,493.38 : 127,640.97 = 50,051.91 : x
  2. Step 2: Convert to fraction form
    92,493.38/127,640.97 = 50,051.91/x
  3. Step 3: Cross multiply
    92,493.38x = 127,640.97 × 50,051.91
  4. Step 4: Simplify right side
    92,493.38x = 6,388,674,342.75
  5. Step 5: Solve for x
    x = 6,388,674,342.75/92,493.38
  6. Step 6: Final answer
    x = 69,071.70

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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.