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Finding the Fourth Proportional to 93,186.62, 128,598.99 and 50,745.11

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Solution

The fourth proportional to 93,186.62, 128,598.99 and 50,745.11 is: 70,029.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,186.62 : 128,598.99 = 50,745.11 : x
  2. Step 2: Convert to fraction form
    93,186.62/128,598.99 = 50,745.11/x
  3. Step 3: Cross multiply
    93,186.62x = 128,598.99 × 50,745.11
  4. Step 4: Simplify right side
    93,186.62x = 6,525,769,893.44
  5. Step 5: Solve for x
    x = 6,525,769,893.44/93,186.62
  6. Step 6: Final answer
    x = 70,029.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.