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Finding the Fourth Proportional to 215,169.50, 296,933.88 and 119,674.15

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Solution

The fourth proportional to 215,169.50, 296,933.88 and 119,674.15 is: 165,150.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,169.50 : 296,933.88 = 119,674.15 : x
  2. Step 2: Convert to fraction form
    215,169.50/296,933.88 = 119,674.15/x
  3. Step 3: Cross multiply
    215,169.50x = 296,933.88 × 119,674.15
  4. Step 4: Simplify right side
    215,169.50x = 35,535,309,695.20
  5. Step 5: Solve for x
    x = 35,535,309,695.20/215,169.50
  6. Step 6: Final answer
    x = 165,150.31

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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.