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Finding the Fourth Proportional to 100,418.50, 150,621.54 and 41,252.63

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Solution

The fourth proportional to 100,418.50, 150,621.54 and 41,252.63 is: 61,876.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,418.50 : 150,621.54 = 41,252.63 : x
  2. Step 2: Convert to fraction form
    100,418.50/150,621.54 = 41,252.63/x
  3. Step 3: Cross multiply
    100,418.50x = 150,621.54 × 41,252.63
  4. Step 4: Simplify right side
    100,418.50x = 6,213,534,445.29
  5. Step 5: Solve for x
    x = 6,213,534,445.29/100,418.50
  6. Step 6: Final answer
    x = 61,876.39

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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.