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Finding the Fourth Proportional to 93,605.36, 140,392.92 and 34,426.40

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Solution

The fourth proportional to 93,605.36, 140,392.92 and 34,426.40 is: 51,634.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,605.36 : 140,392.92 = 34,426.40 : x
  2. Step 2: Convert to fraction form
    93,605.36/140,392.92 = 34,426.40/x
  3. Step 3: Cross multiply
    93,605.36x = 140,392.92 × 34,426.40
  4. Step 4: Simplify right side
    93,605.36x = 4,833,222,821.09
  5. Step 5: Solve for x
    x = 4,833,222,821.09/93,605.36
  6. Step 6: Final answer
    x = 51,634.04

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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.