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Finding the Fourth Proportional to 219,562.93, 302,992.90 and 124,067.57

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Solution

The fourth proportional to 219,562.93, 302,992.90 and 124,067.57 is: 171,211.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,562.93 : 302,992.90 = 124,067.57 : x
  2. Step 2: Convert to fraction form
    219,562.93/302,992.90 = 124,067.57/x
  3. Step 3: Cross multiply
    219,562.93x = 302,992.90 × 124,067.57
  4. Step 4: Simplify right side
    219,562.93x = 37,591,592,209.92
  5. Step 5: Solve for x
    x = 37,591,592,209.92/219,562.93
  6. Step 6: Final answer
    x = 171,211.02

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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.