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Finding the Fourth Proportional to 366,967.70, 550,451.55 and 100,727.80

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Solution

The fourth proportional to 366,967.70, 550,451.55 and 100,727.80 is: 151,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,967.70 : 550,451.55 = 100,727.80 : x
  2. Step 2: Convert to fraction form
    366,967.70/550,451.55 = 100,727.80/x
  3. Step 3: Cross multiply
    366,967.70x = 550,451.55 × 100,727.80
  4. Step 4: Simplify right side
    366,967.70x = 55,445,773,638.09
  5. Step 5: Solve for x
    x = 55,445,773,638.09/366,967.70
  6. Step 6: Final answer
    x = 151,091.70

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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.