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Finding the Fourth Proportional to 92,356.45, 127,451.93 and 49,914.98

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Solution

The fourth proportional to 92,356.45, 127,451.93 and 49,914.98 is: 68,882.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,356.45 : 127,451.93 = 49,914.98 : x
  2. Step 2: Convert to fraction form
    92,356.45/127,451.93 = 49,914.98/x
  3. Step 3: Cross multiply
    92,356.45x = 127,451.93 × 49,914.98
  4. Step 4: Simplify right side
    92,356.45x = 6,361,761,125.71
  5. Step 5: Solve for x
    x = 6,361,761,125.71/92,356.45
  6. Step 6: Final answer
    x = 68,882.69

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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.