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Finding the Fourth Proportional to 158,262, 237,393 and 47,454

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Solution

The fourth proportional to 158,262, 237,393 and 47,454 is: 71,181

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,262 : 237,393 = 47,454 : x
  2. Step 2: Convert to fraction form
    158,262/237,393 = 47,454/x
  3. Step 3: Cross multiply
    158,262x = 237,393 × 47,454
  4. Step 4: Simplify right side
    158,262x = 11,265,247,422
  5. Step 5: Solve for x
    x = 11,265,247,422/158,262
  6. Step 6: Final answer
    x = 71,181

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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.