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Finding the Fourth Proportional to 259,732.99, 389,610.60 and 101,995.57

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Solution

The fourth proportional to 259,732.99, 389,610.60 and 101,995.57 is: 152,997.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,732.99 : 389,610.60 = 101,995.57 : x
  2. Step 2: Convert to fraction form
    259,732.99/389,610.60 = 101,995.57/x
  3. Step 3: Cross multiply
    259,732.99x = 389,610.60 × 101,995.57
  4. Step 4: Simplify right side
    259,732.99x = 39,738,555,225.04
  5. Step 5: Solve for x
    x = 39,738,555,225.04/259,732.99
  6. Step 6: Final answer
    x = 152,997.72

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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.