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Finding the Fourth Proportional to 100,548.80, 150,843.45 and 29,471.30

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Solution

The fourth proportional to 100,548.80, 150,843.45 and 29,471.30 is: 44,212.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,548.80 : 150,843.45 = 29,471.30 : x
  2. Step 2: Convert to fraction form
    100,548.80/150,843.45 = 29,471.30/x
  3. Step 3: Cross multiply
    100,548.80x = 150,843.45 × 29,471.30
  4. Step 4: Simplify right side
    100,548.80x = 4,445,552,567.99
  5. Step 5: Solve for x
    x = 4,445,552,567.99/100,548.80
  6. Step 6: Final answer
    x = 44,212.89

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1.5x scale

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.