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Finding the Fourth Proportional to 301,174.86, 451,765.80 and 90,814.62

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Solution

The fourth proportional to 301,174.86, 451,765.80 and 90,814.62 is: 136,222.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,174.86 : 451,765.80 = 90,814.62 : x
  2. Step 2: Convert to fraction form
    301,174.86/451,765.80 = 90,814.62/x
  3. Step 3: Cross multiply
    301,174.86x = 451,765.80 × 90,814.62
  4. Step 4: Simplify right side
    301,174.86x = 41,026,939,456.00
  5. Step 5: Solve for x
    x = 41,026,939,456.00/301,174.86
  6. Step 6: Final answer
    x = 136,222.99

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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.