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Finding the Fourth Proportional to 146,487.84, 219,731.22 and 61,194.84

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Solution

The fourth proportional to 146,487.84, 219,731.22 and 61,194.84 is: 91,792.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,487.84 : 219,731.22 = 61,194.84 : x
  2. Step 2: Convert to fraction form
    146,487.84/219,731.22 = 61,194.84/x
  3. Step 3: Cross multiply
    146,487.84x = 219,731.22 × 61,194.84
  4. Step 4: Simplify right side
    146,487.84x = 13,446,416,850.90
  5. Step 5: Solve for x
    x = 13,446,416,850.90/146,487.84
  6. Step 6: Final answer
    x = 91,792.03

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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.