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Finding the Fourth Proportional to 92,306.71, 127,383.29 and 49,865.23

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Solution

The fourth proportional to 92,306.71, 127,383.29 and 49,865.23 is: 68,814.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,306.71 : 127,383.29 = 49,865.23 : x
  2. Step 2: Convert to fraction form
    92,306.71/127,383.29 = 49,865.23/x
  3. Step 3: Cross multiply
    92,306.71x = 127,383.29 × 49,865.23
  4. Step 4: Simplify right side
    92,306.71x = 6,351,997,054.01
  5. Step 5: Solve for x
    x = 6,351,997,054.01/92,306.71
  6. Step 6: Final answer
    x = 68,814.03

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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.