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Finding the Fourth Proportional to 93,282.27, 128,725.79 and 50,839.89

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Solution

The fourth proportional to 93,282.27, 128,725.79 and 50,839.89 is: 70,157.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,282.27 : 128,725.79 = 50,839.89 : x
  2. Step 2: Convert to fraction form
    93,282.27/128,725.79 = 50,839.89/x
  3. Step 3: Cross multiply
    93,282.27x = 128,725.79 × 50,839.89
  4. Step 4: Simplify right side
    93,282.27x = 6,544,404,749.56
  5. Step 5: Solve for x
    x = 6,544,404,749.56/93,282.27
  6. Step 6: Final answer
    x = 70,157.01

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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.