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Finding the Fourth Proportional to 69,248.78, 103,836.24 and 35,935.30

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Solution

The fourth proportional to 69,248.78, 103,836.24 and 35,935.30 is: 53,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,248.78 : 103,836.24 = 35,935.30 : x
  2. Step 2: Convert to fraction form
    69,248.78/103,836.24 = 35,935.30/x
  3. Step 3: Cross multiply
    69,248.78x = 103,836.24 × 35,935.30
  4. Step 4: Simplify right side
    69,248.78x = 3,731,386,435.27
  5. Step 5: Solve for x
    x = 3,731,386,435.27/69,248.78
  6. Step 6: Final answer
    x = 53,883.79

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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.