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Finding the Fourth Proportional to 250,298.62, 375,447.67 and 100,538.94

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Solution

The fourth proportional to 250,298.62, 375,447.67 and 100,538.94 is: 150,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,298.62 : 375,447.67 = 100,538.94 : x
  2. Step 2: Convert to fraction form
    250,298.62/375,447.67 = 100,538.94/x
  3. Step 3: Cross multiply
    250,298.62x = 375,447.67 × 100,538.94
  4. Step 4: Simplify right side
    250,298.62x = 37,747,110,377.49
  5. Step 5: Solve for x
    x = 37,747,110,377.49/250,298.62
  6. Step 6: Final answer
    x = 150,808.30

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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.