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Finding the Fourth Proportional to 93,286.84, 128,732.58 and 50,844.52

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Solution

The fourth proportional to 93,286.84, 128,732.58 and 50,844.52 is: 70,163.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,286.84 : 128,732.58 = 50,844.52 : x
  2. Step 2: Convert to fraction form
    93,286.84/128,732.58 = 50,844.52/x
  3. Step 3: Cross multiply
    93,286.84x = 128,732.58 × 50,844.52
  4. Step 4: Simplify right side
    93,286.84x = 6,545,346,238.46
  5. Step 5: Solve for x
    x = 6,545,346,238.46/93,286.84
  6. Step 6: Final answer
    x = 70,163.66

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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.