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Finding the Fourth Proportional to 92,674.48, 127,890.64 and 50,233.02

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Solution

The fourth proportional to 92,674.48, 127,890.64 and 50,233.02 is: 69,321.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,674.48 : 127,890.64 = 50,233.02 : x
  2. Step 2: Convert to fraction form
    92,674.48/127,890.64 = 50,233.02/x
  3. Step 3: Cross multiply
    92,674.48x = 127,890.64 × 50,233.02
  4. Step 4: Simplify right side
    92,674.48x = 6,424,333,076.93
  5. Step 5: Solve for x
    x = 6,424,333,076.93/92,674.48
  6. Step 6: Final answer
    x = 69,321.49

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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.