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Finding the Fourth Proportional to 215,818.67, 297,833.50 and 119,033.65

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Solution

The fourth proportional to 215,818.67, 297,833.50 and 119,033.65 is: 164,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,818.67 : 297,833.50 = 119,033.65 : x
  2. Step 2: Convert to fraction form
    215,818.67/297,833.50 = 119,033.65/x
  3. Step 3: Cross multiply
    215,818.67x = 297,833.50 × 119,033.65
  4. Step 4: Simplify right side
    215,818.67x = 35,452,207,331.92
  5. Step 5: Solve for x
    x = 35,452,207,331.92/215,818.67
  6. Step 6: Final answer
    x = 164,268.49

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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.