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Finding the Fourth Proportional to 92,395.26, 127,505.65 and 49,953.79

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Solution

The fourth proportional to 92,395.26, 127,505.65 and 49,953.79 is: 68,936.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,395.26 : 127,505.65 = 49,953.79 : x
  2. Step 2: Convert to fraction form
    92,395.26/127,505.65 = 49,953.79/x
  3. Step 3: Cross multiply
    92,395.26x = 127,505.65 × 49,953.79
  4. Step 4: Simplify right side
    92,395.26x = 6,369,390,732.57
  5. Step 5: Solve for x
    x = 6,369,390,732.57/92,395.26
  6. Step 6: Final answer
    x = 68,936.34

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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.