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Finding the Fourth Proportional to 227,610.60, 341,415.90 and 139,037.10

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Solution

The fourth proportional to 227,610.60, 341,415.90 and 139,037.10 is: 208,555.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,610.60 : 341,415.90 = 139,037.10 : x
  2. Step 2: Convert to fraction form
    227,610.60/341,415.90 = 139,037.10/x
  3. Step 3: Cross multiply
    227,610.60x = 341,415.90 × 139,037.10
  4. Step 4: Simplify right side
    227,610.60x = 47,469,476,629.89
  5. Step 5: Solve for x
    x = 47,469,476,629.89/227,610.60
  6. Step 6: Final answer
    x = 208,555.65

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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.