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Finding the Fourth Proportional to 176,229.20, 264,516.60 and 87,582.80

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Solution

The fourth proportional to 176,229.20, 264,516.60 and 87,582.80 is: 131,460.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,229.20 : 264,516.60 = 87,582.80 : x
  2. Step 2: Convert to fraction form
    176,229.20/264,516.60 = 87,582.80/x
  3. Step 3: Cross multiply
    176,229.20x = 264,516.60 × 87,582.80
  4. Step 4: Simplify right side
    176,229.20x = 23,167,104,474.48
  5. Step 5: Solve for x
    x = 23,167,104,474.48/176,229.20
  6. Step 6: Final answer
    x = 131,460.08

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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.