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Finding the Fourth Proportional to 266,500.50, 399,861.46 and 116,663.66

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Solution

The fourth proportional to 266,500.50, 399,861.46 and 116,663.66 is: 175,043.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,500.50 : 399,861.46 = 116,663.66 : x
  2. Step 2: Convert to fraction form
    266,500.50/399,861.46 = 116,663.66/x
  3. Step 3: Cross multiply
    266,500.50x = 399,861.46 × 116,663.66
  4. Step 4: Simplify right side
    266,500.50x = 46,649,301,416.54
  5. Step 5: Solve for x
    x = 46,649,301,416.54/266,500.50
  6. Step 6: Final answer
    x = 175,043.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.