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Finding the Fourth Proportional to 169,135.55, 253,718.31 and 44,476.55

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Solution

The fourth proportional to 169,135.55, 253,718.31 and 44,476.55 is: 66,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,135.55 : 253,718.31 = 44,476.55 : x
  2. Step 2: Convert to fraction form
    169,135.55/253,718.31 = 44,476.55/x
  3. Step 3: Cross multiply
    169,135.55x = 253,718.31 × 44,476.55
  4. Step 4: Simplify right side
    169,135.55x = 11,284,514,616.70
  5. Step 5: Solve for x
    x = 11,284,514,616.70/169,135.55
  6. Step 6: Final answer
    x = 66,718.76

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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.