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Finding the Fourth Proportional to 146,391.99, 219,584.31 and 67,506.15

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Solution

The fourth proportional to 146,391.99, 219,584.31 and 67,506.15 is: 101,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,391.99 : 219,584.31 = 67,506.15 : x
  2. Step 2: Convert to fraction form
    146,391.99/219,584.31 = 67,506.15/x
  3. Step 3: Cross multiply
    146,391.99x = 219,584.31 × 67,506.15
  4. Step 4: Simplify right side
    146,391.99x = 14,823,291,368.51
  5. Step 5: Solve for x
    x = 14,823,291,368.51/146,391.99
  6. Step 6: Final answer
    x = 101,257.53

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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.