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Finding the Fourth Proportional to 169,261.62, 253,990.84 and 133,504.17

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Solution

The fourth proportional to 169,261.62, 253,990.84 and 133,504.17 is: 200,333.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,261.62 : 253,990.84 = 133,504.17 : x
  2. Step 2: Convert to fraction form
    169,261.62/253,990.84 = 133,504.17/x
  3. Step 3: Cross multiply
    169,261.62x = 253,990.84 × 133,504.17
  4. Step 4: Simplify right side
    169,261.62x = 33,908,834,344.33
  5. Step 5: Solve for x
    x = 33,908,834,344.33/169,261.62
  6. Step 6: Final answer
    x = 200,333.87

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1.5x scale

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.