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Finding the Fourth Proportional to 176,520.80, 264,343.80 and 113,243.60

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Solution

The fourth proportional to 176,520.80, 264,343.80 and 113,243.60 is: 169,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,520.80 : 264,343.80 = 113,243.60 : x
  2. Step 2: Convert to fraction form
    176,520.80/264,343.80 = 113,243.60/x
  3. Step 3: Cross multiply
    176,520.80x = 264,343.80 × 113,243.60
  4. Step 4: Simplify right side
    176,520.80x = 29,935,243,549.68
  5. Step 5: Solve for x
    x = 29,935,243,549.68/176,520.80
  6. Step 6: Final answer
    x = 169,584.79

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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.