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Finding the Fourth Proportional to 300,561.24, 450,855.72 and 167,341.20

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Solution

The fourth proportional to 300,561.24, 450,855.72 and 167,341.20 is: 251,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,561.24 : 450,855.72 = 167,341.20 : x
  2. Step 2: Convert to fraction form
    300,561.24/450,855.72 = 167,341.20/x
  3. Step 3: Cross multiply
    300,561.24x = 450,855.72 × 167,341.20
  4. Step 4: Simplify right side
    300,561.24x = 75,446,737,211.66
  5. Step 5: Solve for x
    x = 75,446,737,211.66/300,561.24
  6. Step 6: Final answer
    x = 251,019.52

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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.