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Finding the Fourth Proportional to 206,166.15, 308,984.95 and 179,400.92

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Solution

The fourth proportional to 206,166.15, 308,984.95 and 179,400.92 is: 268,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,166.15 : 308,984.95 = 179,400.92 : x
  2. Step 2: Convert to fraction form
    206,166.15/308,984.95 = 179,400.92/x
  3. Step 3: Cross multiply
    206,166.15x = 308,984.95 × 179,400.92
  4. Step 4: Simplify right side
    206,166.15x = 55,432,184,296.15
  5. Step 5: Solve for x
    x = 55,432,184,296.15/206,166.15
  6. Step 6: Final answer
    x = 268,871.41

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1.5x scale

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.