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Finding the Fourth Proportional to 69,732.59, 104,555.05 and 50,764.01

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Solution

The fourth proportional to 69,732.59, 104,555.05 and 50,764.01 is: 76,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,732.59 : 104,555.05 = 50,764.01 : x
  2. Step 2: Convert to fraction form
    69,732.59/104,555.05 = 50,764.01/x
  3. Step 3: Cross multiply
    69,732.59x = 104,555.05 × 50,764.01
  4. Step 4: Simplify right side
    69,732.59x = 5,307,632,954.07
  5. Step 5: Solve for x
    x = 5,307,632,954.07/69,732.59
  6. Step 6: Final answer
    x = 76,114.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.