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Finding the Fourth Proportional to 93,340.72, 140,069.44 and 37,936.72

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Solution

The fourth proportional to 93,340.72, 140,069.44 and 37,936.72 is: 56,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,340.72 : 140,069.44 = 37,936.72 : x
  2. Step 2: Convert to fraction form
    93,340.72/140,069.44 = 37,936.72/x
  3. Step 3: Cross multiply
    93,340.72x = 140,069.44 × 37,936.72
  4. Step 4: Simplify right side
    93,340.72x = 5,313,775,125.84
  5. Step 5: Solve for x
    x = 5,313,775,125.84/93,340.72
  6. Step 6: Final answer
    x = 56,928.80

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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.