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Finding the Fourth Proportional to 179,999.80, 269,934.90 and 91,223.80

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Solution

The fourth proportional to 179,999.80, 269,934.90 and 91,223.80 is: 136,802.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,999.80 : 269,934.90 = 91,223.80 : x
  2. Step 2: Convert to fraction form
    179,999.80/269,934.90 = 91,223.80/x
  3. Step 3: Cross multiply
    179,999.80x = 269,934.90 × 91,223.80
  4. Step 4: Simplify right side
    179,999.80x = 24,624,487,330.62
  5. Step 5: Solve for x
    x = 24,624,487,330.62/179,999.80
  6. Step 6: Final answer
    x = 136,802.86

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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.