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Finding the Fourth Proportional to 146,099.39, 218,982.96 and 61,806.93

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Solution

The fourth proportional to 146,099.39, 218,982.96 and 61,806.93 is: 92,640.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,099.39 : 218,982.96 = 61,806.93 : x
  2. Step 2: Convert to fraction form
    146,099.39/218,982.96 = 61,806.93/x
  3. Step 3: Cross multiply
    146,099.39x = 218,982.96 × 61,806.93
  4. Step 4: Simplify right side
    146,099.39x = 13,534,664,479.91
  5. Step 5: Solve for x
    x = 13,534,664,479.91/146,099.39
  6. Step 6: Final answer
    x = 92,640.12

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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.