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Finding the Fourth Proportional to 302,270.52, 417,135.72 and 168,134.52

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Solution

The fourth proportional to 302,270.52, 417,135.72 and 168,134.52 is: 232,026.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,270.52 : 417,135.72 = 168,134.52 : x
  2. Step 2: Convert to fraction form
    302,270.52/417,135.72 = 168,134.52/x
  3. Step 3: Cross multiply
    302,270.52x = 417,135.72 × 168,134.52
  4. Step 4: Simplify right side
    302,270.52x = 70,134,914,057.05
  5. Step 5: Solve for x
    x = 70,134,914,057.05/302,270.52
  6. Step 6: Final answer
    x = 232,026.97

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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.