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Finding the Fourth Proportional to 146,493.67, 219,667.79 and 46,640.88

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Solution

The fourth proportional to 146,493.67, 219,667.79 and 46,640.88 is: 69,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,493.67 : 219,667.79 = 46,640.88 : x
  2. Step 2: Convert to fraction form
    146,493.67/219,667.79 = 46,640.88/x
  3. Step 3: Cross multiply
    146,493.67x = 219,667.79 × 46,640.88
  4. Step 4: Simplify right side
    146,493.67x = 10,245,497,701.71
  5. Step 5: Solve for x
    x = 10,245,497,701.71/146,493.67
  6. Step 6: Final answer
    x = 69,938.16

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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.