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Finding the Fourth Proportional to 152,361.88, 210,260.30 and 84,380.92

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Solution

The fourth proportional to 152,361.88, 210,260.30 and 84,380.92 is: 116,446.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,361.88 : 210,260.30 = 84,380.92 : x
  2. Step 2: Convert to fraction form
    152,361.88/210,260.30 = 84,380.92/x
  3. Step 3: Cross multiply
    152,361.88x = 210,260.30 × 84,380.92
  4. Step 4: Simplify right side
    152,361.88x = 17,741,957,553.48
  5. Step 5: Solve for x
    x = 17,741,957,553.48/152,361.88
  6. Step 6: Final answer
    x = 116,446.17

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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.