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Finding the Fourth Proportional to 119,611.07, 165,062.37 and 65,894.91

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Solution

The fourth proportional to 119,611.07, 165,062.37 and 65,894.91 is: 90,934.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,611.07 : 165,062.37 = 65,894.91 : x
  2. Step 2: Convert to fraction form
    119,611.07/165,062.37 = 65,894.91/x
  3. Step 3: Cross multiply
    119,611.07x = 165,062.37 × 65,894.91
  4. Step 4: Simplify right side
    119,611.07x = 10,876,770,015.54
  5. Step 5: Solve for x
    x = 10,876,770,015.54/119,611.07
  6. Step 6: Final answer
    x = 90,934.48

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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.