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Finding the Fourth Proportional to 106,654.32, 147,177 and 58,906.44

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Solution

The fourth proportional to 106,654.32, 147,177 and 58,906.44 is: 81,287.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,654.32 : 147,177 = 58,906.44 : x
  2. Step 2: Convert to fraction form
    106,654.32/147,177 = 58,906.44/x
  3. Step 3: Cross multiply
    106,654.32x = 147,177 × 58,906.44
  4. Step 4: Simplify right side
    106,654.32x = 8,669,673,119.88
  5. Step 5: Solve for x
    x = 8,669,673,119.88/106,654.32
  6. Step 6: Final answer
    x = 81,287.59

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1.5x scale

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.