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Finding the Fourth Proportional to 69,246.78, 103,833.24 and 35,933.30

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Solution

The fourth proportional to 69,246.78, 103,833.24 and 35,933.30 is: 53,880.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,246.78 : 103,833.24 = 35,933.30 : x
  2. Step 2: Convert to fraction form
    69,246.78/103,833.24 = 35,933.30/x
  3. Step 3: Cross multiply
    69,246.78x = 103,833.24 × 35,933.30
  4. Step 4: Simplify right side
    69,246.78x = 3,731,070,962.89
  5. Step 5: Solve for x
    x = 3,731,070,962.89/69,246.78
  6. Step 6: Final answer
    x = 53,880.79

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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.