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Finding the Fourth Proportional to 159,067.24, 219,513.24 and 91,085.24

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Solution

The fourth proportional to 159,067.24, 219,513.24 and 91,085.24 is: 125,697.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,067.24 : 219,513.24 = 91,085.24 : x
  2. Step 2: Convert to fraction form
    159,067.24/219,513.24 = 91,085.24/x
  3. Step 3: Cross multiply
    159,067.24x = 219,513.24 × 91,085.24
  4. Step 4: Simplify right side
    159,067.24x = 19,994,416,148.58
  5. Step 5: Solve for x
    x = 19,994,416,148.58/159,067.24
  6. Step 6: Final answer
    x = 125,697.89

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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.