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Finding the Fourth Proportional to 227,601.60, 341,402.40 and 139,028.10

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Solution

The fourth proportional to 227,601.60, 341,402.40 and 139,028.10 is: 208,542.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,601.60 : 341,402.40 = 139,028.10 : x
  2. Step 2: Convert to fraction form
    227,601.60/341,402.40 = 139,028.10/x
  3. Step 3: Cross multiply
    227,601.60x = 341,402.40 × 139,028.10
  4. Step 4: Simplify right side
    227,601.60x = 47,464,527,007.44
  5. Step 5: Solve for x
    x = 47,464,527,007.44/227,601.60
  6. Step 6: Final answer
    x = 208,542.15

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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.