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Finding the Fourth Proportional to 236,898.83, 326,936.18 and 133,558.54

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Solution

The fourth proportional to 236,898.83, 326,936.18 and 133,558.54 is: 184,319.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,898.83 : 326,936.18 = 133,558.54 : x
  2. Step 2: Convert to fraction form
    236,898.83/326,936.18 = 133,558.54/x
  3. Step 3: Cross multiply
    236,898.83x = 326,936.18 × 133,558.54
  4. Step 4: Simplify right side
    236,898.83x = 43,665,118,390.53
  5. Step 5: Solve for x
    x = 43,665,118,390.53/236,898.83
  6. Step 6: Final answer
    x = 184,319.69

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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.