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Finding the Fourth Proportional to 169,268.52, 253,682.84 and 69,315.32

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Solution

The fourth proportional to 169,268.52, 253,682.84 and 69,315.32 is: 103,882.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,268.52 : 253,682.84 = 69,315.32 : x
  2. Step 2: Convert to fraction form
    169,268.52/253,682.84 = 69,315.32/x
  3. Step 3: Cross multiply
    169,268.52x = 253,682.84 × 69,315.32
  4. Step 4: Simplify right side
    169,268.52x = 17,584,107,233.11
  5. Step 5: Solve for x
    x = 17,584,107,233.11/169,268.52
  6. Step 6: Final answer
    x = 103,882.91

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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.