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Finding the Fourth Proportional to 167,699.91, 251,549.87 and 114,949.47

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Solution

The fourth proportional to 167,699.91, 251,549.87 and 114,949.47 is: 172,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,699.91 : 251,549.87 = 114,949.47 : x
  2. Step 2: Convert to fraction form
    167,699.91/251,549.87 = 114,949.47/x
  3. Step 3: Cross multiply
    167,699.91x = 251,549.87 × 114,949.47
  4. Step 4: Simplify right side
    167,699.91x = 28,915,523,660.32
  5. Step 5: Solve for x
    x = 28,915,523,660.32/167,699.91
  6. Step 6: Final answer
    x = 172,424.21

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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.