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Finding the Fourth Proportional to 93,093.77, 128,469.96 and 50,652.61

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Solution

The fourth proportional to 93,093.77, 128,469.96 and 50,652.61 is: 69,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,093.77 : 128,469.96 = 50,652.61 : x
  2. Step 2: Convert to fraction form
    93,093.77/128,469.96 = 50,652.61/x
  3. Step 3: Cross multiply
    93,093.77x = 128,469.96 × 50,652.61
  4. Step 4: Simplify right side
    93,093.77x = 6,507,338,459.42
  5. Step 5: Solve for x
    x = 6,507,338,459.42/93,093.77
  6. Step 6: Final answer
    x = 69,900.90

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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.