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Finding the Fourth Proportional to 302,016.92, 453,375.34 and 162,048.92

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Solution

The fourth proportional to 302,016.92, 453,375.34 and 162,048.92 is: 243,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,016.92 : 453,375.34 = 162,048.92 : x
  2. Step 2: Convert to fraction form
    302,016.92/453,375.34 = 162,048.92/x
  3. Step 3: Cross multiply
    302,016.92x = 453,375.34 × 162,048.92
  4. Step 4: Simplify right side
    302,016.92x = 73,468,981,529.63
  5. Step 5: Solve for x
    x = 73,468,981,529.63/302,016.92
  6. Step 6: Final answer
    x = 243,261.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.