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Finding the Fourth Proportional to 169,115.14, 253,672.54 and 69,275.52

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Solution

The fourth proportional to 169,115.14, 253,672.54 and 69,275.52 is: 103,913.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,115.14 : 253,672.54 = 69,275.52 : x
  2. Step 2: Convert to fraction form
    169,115.14/253,672.54 = 69,275.52/x
  3. Step 3: Cross multiply
    169,115.14x = 253,672.54 × 69,275.52
  4. Step 4: Simplify right side
    169,115.14x = 17,573,297,118.22
  5. Step 5: Solve for x
    x = 17,573,297,118.22/169,115.14
  6. Step 6: Final answer
    x = 103,913.21

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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.