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Finding the Fourth Proportional to 150,396.48, 225,653.04 and 61,691.76

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Solution

The fourth proportional to 150,396.48, 225,653.04 and 61,691.76 is: 92,561.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,396.48 : 225,653.04 = 61,691.76 : x
  2. Step 2: Convert to fraction form
    150,396.48/225,653.04 = 61,691.76/x
  3. Step 3: Cross multiply
    150,396.48x = 225,653.04 × 61,691.76
  4. Step 4: Simplify right side
    150,396.48x = 13,920,933,186.95
  5. Step 5: Solve for x
    x = 13,920,933,186.95/150,396.48
  6. Step 6: Final answer
    x = 92,561.56

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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.