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Finding the Fourth Proportional to 92,300.69, 127,375.01 and 49,859.23

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Solution

The fourth proportional to 92,300.69, 127,375.01 and 49,859.23 is: 68,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,300.69 : 127,375.01 = 49,859.23 : x
  2. Step 2: Convert to fraction form
    92,300.69/127,375.01 = 49,859.23/x
  3. Step 3: Cross multiply
    92,300.69x = 127,375.01 × 49,859.23
  4. Step 4: Simplify right side
    92,300.69x = 6,350,819,919.84
  5. Step 5: Solve for x
    x = 6,350,819,919.84/92,300.69
  6. Step 6: Final answer
    x = 68,805.77

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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.