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Finding the Fourth Proportional to 100,556.64, 150,833.00 and 40,583.52

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Solution

The fourth proportional to 100,556.64, 150,833.00 and 40,583.52 is: 60,874.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,556.64 : 150,833.00 = 40,583.52 : x
  2. Step 2: Convert to fraction form
    100,556.64/150,833.00 = 40,583.52/x
  3. Step 3: Cross multiply
    100,556.64x = 150,833.00 × 40,583.52
  4. Step 4: Simplify right side
    100,556.64x = 6,121,334,173.62
  5. Step 5: Solve for x
    x = 6,121,334,173.62/100,556.64
  6. Step 6: Final answer
    x = 60,874.49

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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.