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Finding the Fourth Proportional to 176,889.60, 264,978.72 and 87,873.60

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Solution

The fourth proportional to 176,889.60, 264,978.72 and 87,873.60 is: 131,633.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,889.60 : 264,978.72 = 87,873.60 : x
  2. Step 2: Convert to fraction form
    176,889.60/264,978.72 = 87,873.60/x
  3. Step 3: Cross multiply
    176,889.60x = 264,978.72 × 87,873.60
  4. Step 4: Simplify right side
    176,889.60x = 23,284,634,049.79
  5. Step 5: Solve for x
    x = 23,284,634,049.79/176,889.60
  6. Step 6: Final answer
    x = 131,633.71

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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.