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Finding the Fourth Proportional to 69,098.64, 103,661.37 and 26,977.02

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Solution

The fourth proportional to 69,098.64, 103,661.37 and 26,977.02 is: 40,470.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,098.64 : 103,661.37 = 26,977.02 : x
  2. Step 2: Convert to fraction form
    69,098.64/103,661.37 = 26,977.02/x
  3. Step 3: Cross multiply
    69,098.64x = 103,661.37 × 26,977.02
  4. Step 4: Simplify right side
    69,098.64x = 2,796,474,851.72
  5. Step 5: Solve for x
    x = 2,796,474,851.72/69,098.64
  6. Step 6: Final answer
    x = 40,470.77

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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.