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Finding the Fourth Proportional to 86,196.85, 119,010.25 and 53,944.53

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Solution

The fourth proportional to 86,196.85, 119,010.25 and 53,944.53 is: 74,480.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,196.85 : 119,010.25 = 53,944.53 : x
  2. Step 2: Convert to fraction form
    86,196.85/119,010.25 = 53,944.53/x
  3. Step 3: Cross multiply
    86,196.85x = 119,010.25 × 53,944.53
  4. Step 4: Simplify right side
    86,196.85x = 6,419,951,622.57
  5. Step 5: Solve for x
    x = 6,419,951,622.57/86,196.85
  6. Step 6: Final answer
    x = 74,480.12

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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.