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Finding the Fourth Proportional to 250,310.70, 375,353.82 and 149,156.46

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Solution

The fourth proportional to 250,310.70, 375,353.82 and 149,156.46 is: 223,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,310.70 : 375,353.82 = 149,156.46 : x
  2. Step 2: Convert to fraction form
    250,310.70/375,353.82 = 149,156.46/x
  3. Step 3: Cross multiply
    250,310.70x = 375,353.82 × 149,156.46
  4. Step 4: Simplify right side
    250,310.70x = 55,986,447,038.68
  5. Step 5: Solve for x
    x = 55,986,447,038.68/250,310.70
  6. Step 6: Final answer
    x = 223,667.81

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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.