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Finding the Fourth Proportional to 93,884.80, 140,872.32 and 58,336.48

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Solution

The fourth proportional to 93,884.80, 140,872.32 and 58,336.48 is: 87,532.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,884.80 : 140,872.32 = 58,336.48 : x
  2. Step 2: Convert to fraction form
    93,884.80/140,872.32 = 58,336.48/x
  3. Step 3: Cross multiply
    93,884.80x = 140,872.32 × 58,336.48
  4. Step 4: Simplify right side
    93,884.80x = 8,217,995,278.23
  5. Step 5: Solve for x
    x = 8,217,995,278.23/93,884.80
  6. Step 6: Final answer
    x = 87,532.76

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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.