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Finding the Fourth Proportional to 176,572.20, 264,858.30 and 113,586.60

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Solution

The fourth proportional to 176,572.20, 264,858.30 and 113,586.60 is: 170,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,572.20 : 264,858.30 = 113,586.60 : x
  2. Step 2: Convert to fraction form
    176,572.20/264,858.30 = 113,586.60/x
  3. Step 3: Cross multiply
    176,572.20x = 264,858.30 × 113,586.60
  4. Step 4: Simplify right side
    176,572.20x = 30,084,353,778.78
  5. Step 5: Solve for x
    x = 30,084,353,778.78/176,572.20
  6. Step 6: Final answer
    x = 170,379.90

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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.