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Finding the Fourth Proportional to 227,594.60, 341,391.90 and 139,021.10

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Solution

The fourth proportional to 227,594.60, 341,391.90 and 139,021.10 is: 208,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,594.60 : 341,391.90 = 139,021.10 : x
  2. Step 2: Convert to fraction form
    227,594.60/341,391.90 = 139,021.10/x
  3. Step 3: Cross multiply
    227,594.60x = 341,391.90 × 139,021.10
  4. Step 4: Simplify right side
    227,594.60x = 47,460,677,469.09
  5. Step 5: Solve for x
    x = 47,460,677,469.09/227,594.60
  6. Step 6: Final answer
    x = 208,531.65

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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.