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Finding the Fourth Proportional to 167,503.70, 251,114.31 and 72,662.51

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Solution

The fourth proportional to 167,503.70, 251,114.31 and 72,662.51 is: 108,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,503.70 : 251,114.31 = 72,662.51 : x
  2. Step 2: Convert to fraction form
    167,503.70/251,114.31 = 72,662.51/x
  3. Step 3: Cross multiply
    167,503.70x = 251,114.31 × 72,662.51
  4. Step 4: Simplify right side
    167,503.70x = 18,246,594,805.95
  5. Step 5: Solve for x
    x = 18,246,594,805.95/167,503.70
  6. Step 6: Final answer
    x = 108,932.49

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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.