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Finding the Fourth Proportional to 144,683.93, 217,036.26 and 49,912.72

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Solution

The fourth proportional to 144,683.93, 217,036.26 and 49,912.72 is: 74,872.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,683.93 : 217,036.26 = 49,912.72 : x
  2. Step 2: Convert to fraction form
    144,683.93/217,036.26 = 49,912.72/x
  3. Step 3: Cross multiply
    144,683.93x = 217,036.26 × 49,912.72
  4. Step 4: Simplify right side
    144,683.93x = 10,832,869,532.64
  5. Step 5: Solve for x
    x = 10,832,869,532.64/144,683.93
  6. Step 6: Final answer
    x = 74,872.65

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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.