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Finding the Fourth Proportional to 215,308.68, 297,123.84 and 119,813.73

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Solution

The fourth proportional to 215,308.68, 297,123.84 and 119,813.73 is: 165,341.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,308.68 : 297,123.84 = 119,813.73 : x
  2. Step 2: Convert to fraction form
    215,308.68/297,123.84 = 119,813.73/x
  3. Step 3: Cross multiply
    215,308.68x = 297,123.84 × 119,813.73
  4. Step 4: Simplify right side
    215,308.68x = 35,599,515,542.32
  5. Step 5: Solve for x
    x = 35,599,515,542.32/215,308.68
  6. Step 6: Final answer
    x = 165,341.76

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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.