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Finding the Fourth Proportional to 101,964.86, 152,774.69 and 62,439.42

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Solution

The fourth proportional to 101,964.86, 152,774.69 and 62,439.42 is: 93,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,964.86 : 152,774.69 = 62,439.42 : x
  2. Step 2: Convert to fraction form
    101,964.86/152,774.69 = 62,439.42/x
  3. Step 3: Cross multiply
    101,964.86x = 152,774.69 × 62,439.42
  4. Step 4: Simplify right side
    101,964.86x = 9,539,162,722.08
  5. Step 5: Solve for x
    x = 9,539,162,722.08/101,964.86
  6. Step 6: Final answer
    x = 93,553.44

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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.