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Finding the Fourth Proportional to 73,474.80, 101,386.20 and 49,653.36

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Solution

The fourth proportional to 73,474.80, 101,386.20 and 49,653.36 is: 68,515.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,474.80 : 101,386.20 = 49,653.36 : x
  2. Step 2: Convert to fraction form
    73,474.80/101,386.20 = 49,653.36/x
  3. Step 3: Cross multiply
    73,474.80x = 101,386.20 × 49,653.36
  4. Step 4: Simplify right side
    73,474.80x = 5,034,165,487.63
  5. Step 5: Solve for x
    x = 5,034,165,487.63/73,474.80
  6. Step 6: Final answer
    x = 68,515.54

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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.