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Finding the Fourth Proportional to 118,223.52, 177,241.44 and 68,247.12

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Solution

The fourth proportional to 118,223.52, 177,241.44 and 68,247.12 is: 102,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,223.52 : 177,241.44 = 68,247.12 : x
  2. Step 2: Convert to fraction form
    118,223.52/177,241.44 = 68,247.12/x
  3. Step 3: Cross multiply
    118,223.52x = 177,241.44 × 68,247.12
  4. Step 4: Simplify right side
    118,223.52x = 12,096,217,824.65
  5. Step 5: Solve for x
    x = 12,096,217,824.65/118,223.52
  6. Step 6: Final answer
    x = 102,316.51

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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.