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Finding the Fourth Proportional to 365,944.86, 548,861.81 and 99,726.62

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Solution

The fourth proportional to 365,944.86, 548,861.81 and 99,726.62 is: 149,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,944.86 : 548,861.81 = 99,726.62 : x
  2. Step 2: Convert to fraction form
    365,944.86/548,861.81 = 99,726.62/x
  3. Step 3: Cross multiply
    365,944.86x = 548,861.81 × 99,726.62
  4. Step 4: Simplify right side
    365,944.86x = 54,736,129,915.44
  5. Step 5: Solve for x
    x = 54,736,129,915.44/365,944.86
  6. Step 6: Final answer
    x = 149,574.80

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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.