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Finding the Fourth Proportional to 302,778.52, 417,853.02 and 168,642.52

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Solution

The fourth proportional to 302,778.52, 417,853.02 and 168,642.52 is: 232,737.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,778.52 : 417,853.02 = 168,642.52 : x
  2. Step 2: Convert to fraction form
    302,778.52/417,853.02 = 168,642.52/x
  3. Step 3: Cross multiply
    302,778.52x = 417,853.02 × 168,642.52
  4. Step 4: Simplify right side
    302,778.52x = 70,467,786,282.41
  5. Step 5: Solve for x
    x = 70,467,786,282.41/302,778.52
  6. Step 6: Final answer
    x = 232,737.07

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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.