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Finding the Fourth Proportional to 92,396.48, 127,506.56 and 49,954.56

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Solution

The fourth proportional to 92,396.48, 127,506.56 and 49,954.56 is: 68,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,396.48 : 127,506.56 = 49,954.56 : x
  2. Step 2: Convert to fraction form
    92,396.48/127,506.56 = 49,954.56/x
  3. Step 3: Cross multiply
    92,396.48x = 127,506.56 × 49,954.56
  4. Step 4: Simplify right side
    92,396.48x = 6,369,534,101.91
  5. Step 5: Solve for x
    x = 6,369,534,101.91/92,396.48
  6. Step 6: Final answer
    x = 68,936.98

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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.