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Finding the Fourth Proportional to 161,216.80, 225,936.80 and 161,216.80

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Solution

The fourth proportional to 161,216.80, 225,936.80 and 161,216.80 is: 225,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,216.80 : 225,936.80 = 161,216.80 : x
  2. Step 2: Convert to fraction form
    161,216.80/225,936.80 = 161,216.80/x
  3. Step 3: Cross multiply
    161,216.80x = 225,936.80 × 161,216.80
  4. Step 4: Simplify right side
    161,216.80x = 36,424,807,898.24
  5. Step 5: Solve for x
    x = 36,424,807,898.24/161,216.80
  6. Step 6: Final answer
    x = 225,936.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.