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Finding the Fourth Proportional to 215,339.23, 297,167.84 and 119,843.65

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Solution

The fourth proportional to 215,339.23, 297,167.84 and 119,843.65 is: 165,384.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,339.23 : 297,167.84 = 119,843.65 : x
  2. Step 2: Convert to fraction form
    215,339.23/297,167.84 = 119,843.65/x
  3. Step 3: Cross multiply
    215,339.23x = 297,167.84 × 119,843.65
  4. Step 4: Simplify right side
    215,339.23x = 35,613,678,009.00
  5. Step 5: Solve for x
    x = 35,613,678,009.00/215,339.23
  6. Step 6: Final answer
    x = 165,384.07

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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.