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Finding the Fourth Proportional to 92,613, 127,805.94 and 50,171.52

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Solution

The fourth proportional to 92,613, 127,805.94 and 50,171.52 is: 69,236.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,613 : 127,805.94 = 50,171.52 : x
  2. Step 2: Convert to fraction form
    92,613/127,805.94 = 50,171.52/x
  3. Step 3: Cross multiply
    92,613x = 127,805.94 × 50,171.52
  4. Step 4: Simplify right side
    92,613x = 6,412,218,274.83
  5. Step 5: Solve for x
    x = 6,412,218,274.83/92,613
  6. Step 6: Final answer
    x = 69,236.70

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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.