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Finding the Fourth Proportional to 169,003.90, 253,505.16 and 42,644.44

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Solution

The fourth proportional to 169,003.90, 253,505.16 and 42,644.44 is: 63,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,003.90 : 253,505.16 = 42,644.44 : x
  2. Step 2: Convert to fraction form
    169,003.90/253,505.16 = 42,644.44/x
  3. Step 3: Cross multiply
    169,003.90x = 253,505.16 × 42,644.44
  4. Step 4: Simplify right side
    169,003.90x = 10,810,585,585.31
  5. Step 5: Solve for x
    x = 10,810,585,585.31/169,003.90
  6. Step 6: Final answer
    x = 63,966.49

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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.