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Finding the Fourth Proportional to 302,661.06, 417,691.23 and 166,694.98

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Solution

The fourth proportional to 302,661.06, 417,691.23 and 166,694.98 is: 230,049.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,661.06 : 417,691.23 = 166,694.98 : x
  2. Step 2: Convert to fraction form
    302,661.06/417,691.23 = 166,694.98/x
  3. Step 3: Cross multiply
    302,661.06x = 417,691.23 × 166,694.98
  4. Step 4: Simplify right side
    302,661.06x = 69,627,030,397.55
  5. Step 5: Solve for x
    x = 69,627,030,397.55/302,661.06
  6. Step 6: Final answer
    x = 230,049.52

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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.