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Finding the Fourth Proportional to 93,920.39, 140,935.87 and 34,797.28

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Solution

The fourth proportional to 93,920.39, 140,935.87 and 34,797.28 is: 52,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,920.39 : 140,935.87 = 34,797.28 : x
  2. Step 2: Convert to fraction form
    93,920.39/140,935.87 = 34,797.28/x
  3. Step 3: Cross multiply
    93,920.39x = 140,935.87 × 34,797.28
  4. Step 4: Simplify right side
    93,920.39x = 4,904,184,930.43
  5. Step 5: Solve for x
    x = 4,904,184,930.43/93,920.39
  6. Step 6: Final answer
    x = 52,216.40

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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.