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Finding the Fourth Proportional to 266,484.88, 367,909.32 and 166,018.96

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Solution

The fourth proportional to 266,484.88, 367,909.32 and 166,018.96 is: 229,205.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,484.88 : 367,909.32 = 166,018.96 : x
  2. Step 2: Convert to fraction form
    266,484.88/367,909.32 = 166,018.96/x
  3. Step 3: Cross multiply
    266,484.88x = 367,909.32 × 166,018.96
  4. Step 4: Simplify right side
    266,484.88x = 61,079,922,680.71
  5. Step 5: Solve for x
    x = 61,079,922,680.71/266,484.88
  6. Step 6: Final answer
    x = 229,205.96

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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.