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Finding the Fourth Proportional to 153,863.96, 230,896.91 and 54,021.59

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Solution

The fourth proportional to 153,863.96, 230,896.91 and 54,021.59 is: 81,067.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,863.96 : 230,896.91 = 54,021.59 : x
  2. Step 2: Convert to fraction form
    153,863.96/230,896.91 = 54,021.59/x
  3. Step 3: Cross multiply
    153,863.96x = 230,896.91 × 54,021.59
  4. Step 4: Simplify right side
    153,863.96x = 12,473,416,779.69
  5. Step 5: Solve for x
    x = 12,473,416,779.69/153,863.96
  6. Step 6: Final answer
    x = 81,067.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.