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Finding the Fourth Proportional to 92,291.94, 127,362.96 and 49,850.47

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Solution

The fourth proportional to 92,291.94, 127,362.96 and 49,850.47 is: 68,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,291.94 : 127,362.96 = 49,850.47 : x
  2. Step 2: Convert to fraction form
    92,291.94/127,362.96 = 49,850.47/x
  3. Step 3: Cross multiply
    92,291.94x = 127,362.96 × 49,850.47
  4. Step 4: Simplify right side
    92,291.94x = 6,349,103,575.79
  5. Step 5: Solve for x
    x = 6,349,103,575.79/92,291.94
  6. Step 6: Final answer
    x = 68,793.70

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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.