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Finding the Fourth Proportional to 160,025.99, 239,986.23 and 53,380.56

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Solution

The fourth proportional to 160,025.99, 239,986.23 and 53,380.56 is: 80,053.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,025.99 : 239,986.23 = 53,380.56 : x
  2. Step 2: Convert to fraction form
    160,025.99/239,986.23 = 53,380.56/x
  3. Step 3: Cross multiply
    160,025.99x = 239,986.23 × 53,380.56
  4. Step 4: Simplify right side
    160,025.99x = 12,810,599,349.69
  5. Step 5: Solve for x
    x = 12,810,599,349.69/160,025.99
  6. Step 6: Final answer
    x = 80,053.24

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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.