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Finding the Fourth Proportional to 176,231.80, 263,910.30 and 141,239.80

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Solution

The fourth proportional to 176,231.80, 263,910.30 and 141,239.80 is: 211,509.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,231.80 : 263,910.30 = 141,239.80 : x
  2. Step 2: Convert to fraction form
    176,231.80/263,910.30 = 141,239.80/x
  3. Step 3: Cross multiply
    176,231.80x = 263,910.30 × 141,239.80
  4. Step 4: Simplify right side
    176,231.80x = 37,274,637,989.94
  5. Step 5: Solve for x
    x = 37,274,637,989.94/176,231.80
  6. Step 6: Final answer
    x = 211,509.15

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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.