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Finding the Fourth Proportional to 100,650.36, 150,888.78 and 41,449.08

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Solution

The fourth proportional to 100,650.36, 150,888.78 and 41,449.08 is: 62,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,650.36 : 150,888.78 = 41,449.08 : x
  2. Step 2: Convert to fraction form
    100,650.36/150,888.78 = 41,449.08/x
  3. Step 3: Cross multiply
    100,650.36x = 150,888.78 × 41,449.08
  4. Step 4: Simplify right side
    100,650.36x = 6,254,201,113.32
  5. Step 5: Solve for x
    x = 6,254,201,113.32/100,650.36
  6. Step 6: Final answer
    x = 62,137.89

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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.