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Finding the Fourth Proportional to 250,900.46, 376,252.54 and 90,938.42

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Solution

The fourth proportional to 250,900.46, 376,252.54 and 90,938.42 is: 136,372.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,900.46 : 376,252.54 = 90,938.42 : x
  2. Step 2: Convert to fraction form
    250,900.46/376,252.54 = 90,938.42/x
  3. Step 3: Cross multiply
    250,900.46x = 376,252.54 × 90,938.42
  4. Step 4: Simplify right side
    250,900.46x = 34,215,811,508.59
  5. Step 5: Solve for x
    x = 34,215,811,508.59/250,900.46
  6. Step 6: Final answer
    x = 136,372.06

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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.