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Finding the Fourth Proportional to 266,184, 399,079.17 and 160,979.58

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Solution

The fourth proportional to 266,184, 399,079.17 and 160,979.58 is: 241,350.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,184 : 399,079.17 = 160,979.58 : x
  2. Step 2: Convert to fraction form
    266,184/399,079.17 = 160,979.58/x
  3. Step 3: Cross multiply
    266,184x = 399,079.17 × 160,979.58
  4. Step 4: Simplify right side
    266,184x = 64,243,597,173.35
  5. Step 5: Solve for x
    x = 64,243,597,173.35/266,184
  6. Step 6: Final answer
    x = 241,350.33

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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.