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Finding the Fourth Proportional to 228,137.88, 342,177.60 and 94,993.32

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Solution

The fourth proportional to 228,137.88, 342,177.60 and 94,993.32 is: 142,477.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,137.88 : 342,177.60 = 94,993.32 : x
  2. Step 2: Convert to fraction form
    228,137.88/342,177.60 = 94,993.32/x
  3. Step 3: Cross multiply
    228,137.88x = 342,177.60 × 94,993.32
  4. Step 4: Simplify right side
    228,137.88x = 32,504,586,253.63
  5. Step 5: Solve for x
    x = 32,504,586,253.63/228,137.88
  6. Step 6: Final answer
    x = 142,477.81

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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.