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Finding the Fourth Proportional to 177,266.88, 244,718.60 and 136,890

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Solution

The fourth proportional to 177,266.88, 244,718.60 and 136,890 is: 188,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,266.88 : 244,718.60 = 136,890 : x
  2. Step 2: Convert to fraction form
    177,266.88/244,718.60 = 136,890/x
  3. Step 3: Cross multiply
    177,266.88x = 244,718.60 × 136,890
  4. Step 4: Simplify right side
    177,266.88x = 33,499,529,154
  5. Step 5: Solve for x
    x = 33,499,529,154/177,266.88
  6. Step 6: Final answer
    x = 188,977.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.