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Finding the Fourth Proportional to 366,790.55, 550,187.73 and 166,971.20

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Solution

The fourth proportional to 366,790.55, 550,187.73 and 166,971.20 is: 250,457.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,790.55 : 550,187.73 = 166,971.20 : x
  2. Step 2: Convert to fraction form
    366,790.55/550,187.73 = 166,971.20/x
  3. Step 3: Cross multiply
    366,790.55x = 550,187.73 × 166,971.20
  4. Step 4: Simplify right side
    366,790.55x = 91,865,502,752.44
  5. Step 5: Solve for x
    x = 91,865,502,752.44/366,790.55
  6. Step 6: Final answer
    x = 250,457.66

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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.