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Finding the Fourth Proportional to 302,663.01, 417,693.90 and 166,696.92

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Solution

The fourth proportional to 302,663.01, 417,693.90 and 166,696.92 is: 230,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,663.01 : 417,693.90 = 166,696.92 : x
  2. Step 2: Convert to fraction form
    302,663.01/417,693.90 = 166,696.92/x
  3. Step 3: Cross multiply
    302,663.01x = 417,693.90 × 166,696.92
  4. Step 4: Simplify right side
    302,663.01x = 69,628,286,632.79
  5. Step 5: Solve for x
    x = 69,628,286,632.79/302,663.01
  6. Step 6: Final answer
    x = 230,052.18

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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.