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Finding the Fourth Proportional to 110,021.68, 151,830.24 and 59,720.68

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Solution

The fourth proportional to 110,021.68, 151,830.24 and 59,720.68 is: 82,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,021.68 : 151,830.24 = 59,720.68 : x
  2. Step 2: Convert to fraction form
    110,021.68/151,830.24 = 59,720.68/x
  3. Step 3: Cross multiply
    110,021.68x = 151,830.24 × 59,720.68
  4. Step 4: Simplify right side
    110,021.68x = 9,067,405,177.36
  5. Step 5: Solve for x
    x = 9,067,405,177.36/110,021.68
  6. Step 6: Final answer
    x = 82,414.71

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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.