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Finding the Fourth Proportional to 187,653.31, 258,961.49 and 101,612.27

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Solution

The fourth proportional to 187,653.31, 258,961.49 and 101,612.27 is: 140,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,653.31 : 258,961.49 = 101,612.27 : x
  2. Step 2: Convert to fraction form
    187,653.31/258,961.49 = 101,612.27/x
  3. Step 3: Cross multiply
    187,653.31x = 258,961.49 × 101,612.27
  4. Step 4: Simplify right side
    187,653.31x = 26,313,665,361.87
  5. Step 5: Solve for x
    x = 26,313,665,361.87/187,653.31
  6. Step 6: Final answer
    x = 140,224.90

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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.