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Finding the Fourth Proportional to 302,179.65, 416,999.21 and 166,213.59

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Solution

The fourth proportional to 302,179.65, 416,999.21 and 166,213.59 is: 229,369.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,179.65 : 416,999.21 = 166,213.59 : x
  2. Step 2: Convert to fraction form
    302,179.65/416,999.21 = 166,213.59/x
  3. Step 3: Cross multiply
    302,179.65x = 416,999.21 × 166,213.59
  4. Step 4: Simplify right side
    302,179.65x = 69,310,935,721.26
  5. Step 5: Solve for x
    x = 69,310,935,721.26/302,179.65
  6. Step 6: Final answer
    x = 229,369.96

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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.