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Finding the Fourth Proportional to 92,694.81, 127,795.12 and 73,637.84

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Solution

The fourth proportional to 92,694.81, 127,795.12 and 73,637.84 is: 101,521.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,694.81 : 127,795.12 = 73,637.84 : x
  2. Step 2: Convert to fraction form
    92,694.81/127,795.12 = 73,637.84/x
  3. Step 3: Cross multiply
    92,694.81x = 127,795.12 × 73,637.84
  4. Step 4: Simplify right side
    92,694.81x = 9,410,556,734.73
  5. Step 5: Solve for x
    x = 9,410,556,734.73/92,694.81
  6. Step 6: Final answer
    x = 101,521.93

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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.