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Finding the Fourth Proportional to 169,131.72, 253,677.42 and 44,482.44

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Solution

The fourth proportional to 169,131.72, 253,677.42 and 44,482.44 is: 66,718.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,131.72 : 253,677.42 = 44,482.44 : x
  2. Step 2: Convert to fraction form
    169,131.72/253,677.42 = 44,482.44/x
  3. Step 3: Cross multiply
    169,131.72x = 253,677.42 × 44,482.44
  4. Step 4: Simplify right side
    169,131.72x = 11,284,190,614.50
  5. Step 5: Solve for x
    x = 11,284,190,614.50/169,131.72
  6. Step 6: Final answer
    x = 66,718.36

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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.