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Finding the Fourth Proportional to 199,208.86, 274,900.20 and 108,562.89

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Solution

The fourth proportional to 199,208.86, 274,900.20 and 108,562.89 is: 149,812.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,208.86 : 274,900.20 = 108,562.89 : x
  2. Step 2: Convert to fraction form
    199,208.86/274,900.20 = 108,562.89/x
  3. Step 3: Cross multiply
    199,208.86x = 274,900.20 × 108,562.89
  4. Step 4: Simplify right side
    199,208.86x = 29,843,960,173.58
  5. Step 5: Solve for x
    x = 29,843,960,173.58/199,208.86
  6. Step 6: Final answer
    x = 149,812.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.