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Finding the Fourth Proportional to 227,409.60, 341,114.40 and 156,550.80

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Solution

The fourth proportional to 227,409.60, 341,114.40 and 156,550.80 is: 234,826.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,409.60 : 341,114.40 = 156,550.80 : x
  2. Step 2: Convert to fraction form
    227,409.60/341,114.40 = 156,550.80/x
  3. Step 3: Cross multiply
    227,409.60x = 341,114.40 × 156,550.80
  4. Step 4: Simplify right side
    227,409.60x = 53,401,732,211.52
  5. Step 5: Solve for x
    x = 53,401,732,211.52/227,409.60
  6. Step 6: Final answer
    x = 234,826.20

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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.