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Finding the Fourth Proportional to 94,942.92, 142,409.50 and 28,383.60

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Solution

The fourth proportional to 94,942.92, 142,409.50 and 28,383.60 is: 42,573.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,942.92 : 142,409.50 = 28,383.60 : x
  2. Step 2: Convert to fraction form
    94,942.92/142,409.50 = 28,383.60/x
  3. Step 3: Cross multiply
    94,942.92x = 142,409.50 × 28,383.60
  4. Step 4: Simplify right side
    94,942.92x = 4,042,094,284.20
  5. Step 5: Solve for x
    x = 4,042,094,284.20/94,942.92
  6. Step 6: Final answer
    x = 42,573.94

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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.