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Finding the Fourth Proportional to 176,558.40, 264,837.60 and 87,825.60

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Solution

The fourth proportional to 176,558.40, 264,837.60 and 87,825.60 is: 131,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,558.40 : 264,837.60 = 87,825.60 : x
  2. Step 2: Convert to fraction form
    176,558.40/264,837.60 = 87,825.60/x
  3. Step 3: Cross multiply
    176,558.40x = 264,837.60 × 87,825.60
  4. Step 4: Simplify right side
    176,558.40x = 23,259,521,122.56
  5. Step 5: Solve for x
    x = 23,259,521,122.56/176,558.40
  6. Step 6: Final answer
    x = 131,738.40

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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.