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Finding the Fourth Proportional to 235,951.65, 325,601.78 and 133,963.74

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Solution

The fourth proportional to 235,951.65, 325,601.78 and 133,963.74 is: 184,863.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,951.65 : 325,601.78 = 133,963.74 : x
  2. Step 2: Convert to fraction form
    235,951.65/325,601.78 = 133,963.74/x
  3. Step 3: Cross multiply
    235,951.65x = 325,601.78 × 133,963.74
  4. Step 4: Simplify right side
    235,951.65x = 43,618,831,529.64
  5. Step 5: Solve for x
    x = 43,618,831,529.64/235,951.65
  6. Step 6: Final answer
    x = 184,863.43

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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.