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Finding the Fourth Proportional to 93,238.44, 128,668.74 and 50,796.84

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Solution

The fourth proportional to 93,238.44, 128,668.74 and 50,796.84 is: 70,099.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,238.44 : 128,668.74 = 50,796.84 : x
  2. Step 2: Convert to fraction form
    93,238.44/128,668.74 = 50,796.84/x
  3. Step 3: Cross multiply
    93,238.44x = 128,668.74 × 50,796.84
  4. Step 4: Simplify right side
    93,238.44x = 6,535,965,398.78
  5. Step 5: Solve for x
    x = 6,535,965,398.78/93,238.44
  6. Step 6: Final answer
    x = 70,099.47

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1.5x scale

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.