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Finding the Fourth Proportional to 167,675.49, 251,549.99 and 72,920.37

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Solution

The fourth proportional to 167,675.49, 251,549.99 and 72,920.37 is: 109,396.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,675.49 : 251,549.99 = 72,920.37 : x
  2. Step 2: Convert to fraction form
    167,675.49/251,549.99 = 72,920.37/x
  3. Step 3: Cross multiply
    167,675.49x = 251,549.99 × 72,920.37
  4. Step 4: Simplify right side
    167,675.49x = 18,343,117,979.69
  5. Step 5: Solve for x
    x = 18,343,117,979.69/167,675.49
  6. Step 6: Final answer
    x = 109,396.54

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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.