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Finding the Fourth Proportional to 214,669.89, 322,005.94 and 125,861.11

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Solution

The fourth proportional to 214,669.89, 322,005.94 and 125,861.11 is: 188,792.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,669.89 : 322,005.94 = 125,861.11 : x
  2. Step 2: Convert to fraction form
    214,669.89/322,005.94 = 125,861.11/x
  3. Step 3: Cross multiply
    214,669.89x = 322,005.94 × 125,861.11
  4. Step 4: Simplify right side
    214,669.89x = 40,528,025,034.99
  5. Step 5: Solve for x
    x = 40,528,025,034.99/214,669.89
  6. Step 6: Final answer
    x = 188,792.31

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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.