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Finding the Fourth Proportional to 93,358.44, 139,991.58 and 40,745.16

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Solution

The fourth proportional to 93,358.44, 139,991.58 and 40,745.16 is: 61,097.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,358.44 : 139,991.58 = 40,745.16 : x
  2. Step 2: Convert to fraction form
    93,358.44/139,991.58 = 40,745.16/x
  3. Step 3: Cross multiply
    93,358.44x = 139,991.58 × 40,745.16
  4. Step 4: Simplify right side
    93,358.44x = 5,703,979,325.75
  5. Step 5: Solve for x
    x = 5,703,979,325.75/93,358.44
  6. Step 6: Final answer
    x = 61,097.63

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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.