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Finding the Fourth Proportional to 366,933.36, 550,363.08 and 100,720.68

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Solution

The fourth proportional to 366,933.36, 550,363.08 and 100,720.68 is: 151,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,933.36 : 550,363.08 = 100,720.68 : x
  2. Step 2: Convert to fraction form
    366,933.36/550,363.08 = 100,720.68/x
  3. Step 3: Cross multiply
    366,933.36x = 550,363.08 × 100,720.68
  4. Step 4: Simplify right side
    366,933.36x = 55,432,943,664.49
  5. Step 5: Solve for x
    x = 55,432,943,664.49/366,933.36
  6. Step 6: Final answer
    x = 151,070.87

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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.