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Finding the Fourth Proportional to 172,287, 237,770.64 and 96,850.08

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Solution

The fourth proportional to 172,287, 237,770.64 and 96,850.08 is: 133,661.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,287 : 237,770.64 = 96,850.08 : x
  2. Step 2: Convert to fraction form
    172,287/237,770.64 = 96,850.08/x
  3. Step 3: Cross multiply
    172,287x = 237,770.64 × 96,850.08
  4. Step 4: Simplify right side
    172,287x = 23,028,105,505.65
  5. Step 5: Solve for x
    x = 23,028,105,505.65/172,287
  6. Step 6: Final answer
    x = 133,661.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.