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Finding the Fourth Proportional to 215,611.98, 297,653.04 and 167,105.94

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Solution

The fourth proportional to 215,611.98, 297,653.04 and 167,105.94 is: 230,690.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,611.98 : 297,653.04 = 167,105.94 : x
  2. Step 2: Convert to fraction form
    215,611.98/297,653.04 = 167,105.94/x
  3. Step 3: Cross multiply
    215,611.98x = 297,653.04 × 167,105.94
  4. Step 4: Simplify right side
    215,611.98x = 49,739,591,043.06
  5. Step 5: Solve for x
    x = 49,739,591,043.06/215,611.98
  6. Step 6: Final answer
    x = 230,690.29

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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.