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Finding the Fourth Proportional to 100,577.80, 150,953.10 and 44,504.20

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Solution

The fourth proportional to 100,577.80, 150,953.10 and 44,504.20 is: 66,794.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,577.80 : 150,953.10 = 44,504.20 : x
  2. Step 2: Convert to fraction form
    100,577.80/150,953.10 = 44,504.20/x
  3. Step 3: Cross multiply
    100,577.80x = 150,953.10 × 44,504.20
  4. Step 4: Simplify right side
    100,577.80x = 6,718,046,953.02
  5. Step 5: Solve for x
    x = 6,718,046,953.02/100,577.80
  6. Step 6: Final answer
    x = 66,794.53

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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.