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Finding the Fourth Proportional to 92,385.99, 127,492.65 and 49,944.51

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Solution

The fourth proportional to 92,385.99, 127,492.65 and 49,944.51 is: 68,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,385.99 : 127,492.65 = 49,944.51 : x
  2. Step 2: Convert to fraction form
    92,385.99/127,492.65 = 49,944.51/x
  3. Step 3: Cross multiply
    92,385.99x = 127,492.65 × 49,944.51
  4. Step 4: Simplify right side
    92,385.99x = 6,367,557,932.85
  5. Step 5: Solve for x
    x = 6,367,557,932.85/92,385.99
  6. Step 6: Final answer
    x = 68,923.42

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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.