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Finding the Fourth Proportional to 167,416.80, 251,125.20 and 117,553.20

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Solution

The fourth proportional to 167,416.80, 251,125.20 and 117,553.20 is: 176,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,416.80 : 251,125.20 = 117,553.20 : x
  2. Step 2: Convert to fraction form
    167,416.80/251,125.20 = 117,553.20/x
  3. Step 3: Cross multiply
    167,416.80x = 251,125.20 × 117,553.20
  4. Step 4: Simplify right side
    167,416.80x = 29,520,570,860.64
  5. Step 5: Solve for x
    x = 29,520,570,860.64/167,416.80
  6. Step 6: Final answer
    x = 176,329.80

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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.