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Finding the Fourth Proportional to 266,067.32, 399,086.40 and 160,858.04

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Solution

The fourth proportional to 266,067.32, 399,086.40 and 160,858.04 is: 241,278.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,067.32 : 399,086.40 = 160,858.04 : x
  2. Step 2: Convert to fraction form
    266,067.32/399,086.40 = 160,858.04/x
  3. Step 3: Cross multiply
    266,067.32x = 399,086.40 × 160,858.04
  4. Step 4: Simplify right side
    266,067.32x = 64,196,256,094.66
  5. Step 5: Solve for x
    x = 64,196,256,094.66/266,067.32
  6. Step 6: Final answer
    x = 241,278.25

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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.