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Finding the Fourth Proportional to 213,383.87, 294,472.82 and 117,892.76

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Solution

The fourth proportional to 213,383.87, 294,472.82 and 117,892.76 is: 162,693.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,383.87 : 294,472.82 = 117,892.76 : x
  2. Step 2: Convert to fraction form
    213,383.87/294,472.82 = 117,892.76/x
  3. Step 3: Cross multiply
    213,383.87x = 294,472.82 × 117,892.76
  4. Step 4: Simplify right side
    213,383.87x = 34,716,213,494.78
  5. Step 5: Solve for x
    x = 34,716,213,494.78/213,383.87
  6. Step 6: Final answer
    x = 162,693.71

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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.