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Finding the Fourth Proportional to 92,336.43, 127,424.22 and 49,894.95

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Solution

The fourth proportional to 92,336.43, 127,424.22 and 49,894.95 is: 68,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,336.43 : 127,424.22 = 49,894.95 : x
  2. Step 2: Convert to fraction form
    92,336.43/127,424.22 = 49,894.95/x
  3. Step 3: Cross multiply
    92,336.43x = 127,424.22 × 49,894.95
  4. Step 4: Simplify right side
    92,336.43x = 6,357,825,085.69
  5. Step 5: Solve for x
    x = 6,357,825,085.69/92,336.43
  6. Step 6: Final answer
    x = 68,855.00

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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.