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Finding the Fourth Proportional to 302,863.88, 417,960.86 and 168,736.52

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Solution

The fourth proportional to 302,863.88, 417,960.86 and 168,736.52 is: 232,861.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,863.88 : 417,960.86 = 168,736.52 : x
  2. Step 2: Convert to fraction form
    302,863.88/417,960.86 = 168,736.52/x
  3. Step 3: Cross multiply
    302,863.88x = 417,960.86 × 168,736.52
  4. Step 4: Simplify right side
    302,863.88x = 70,525,258,079.12
  5. Step 5: Solve for x
    x = 70,525,258,079.12/302,863.88
  6. Step 6: Final answer
    x = 232,861.24

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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.