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Finding the Fourth Proportional to 227,594.10, 341,391.15 and 139,020.60

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Solution

The fourth proportional to 227,594.10, 341,391.15 and 139,020.60 is: 208,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,594.10 : 341,391.15 = 139,020.60 : x
  2. Step 2: Convert to fraction form
    227,594.10/341,391.15 = 139,020.60/x
  3. Step 3: Cross multiply
    227,594.10x = 341,391.15 × 139,020.60
  4. Step 4: Simplify right side
    227,594.10x = 47,460,402,507.69
  5. Step 5: Solve for x
    x = 47,460,402,507.69/227,594.10
  6. Step 6: Final answer
    x = 208,530.90

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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.