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Finding the Fourth Proportional to 215,794.59, 297,789.72 and 119,002.53

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Solution

The fourth proportional to 215,794.59, 297,789.72 and 119,002.53 is: 164,219.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,794.59 : 297,789.72 = 119,002.53 : x
  2. Step 2: Convert to fraction form
    215,794.59/297,789.72 = 119,002.53/x
  3. Step 3: Cross multiply
    215,794.59x = 297,789.72 × 119,002.53
  4. Step 4: Simplify right side
    215,794.59x = 35,437,729,502.14
  5. Step 5: Solve for x
    x = 35,437,729,502.14/215,794.59
  6. Step 6: Final answer
    x = 164,219.73

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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.