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Finding the Fourth Proportional to 93,201.62, 128,619.70 and 50,760.12

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Solution

The fourth proportional to 93,201.62, 128,619.70 and 50,760.12 is: 70,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,201.62 : 128,619.70 = 50,760.12 : x
  2. Step 2: Convert to fraction form
    93,201.62/128,619.70 = 50,760.12/x
  3. Step 3: Cross multiply
    93,201.62x = 128,619.70 × 50,760.12
  4. Step 4: Simplify right side
    93,201.62x = 6,528,751,406.36
  5. Step 5: Solve for x
    x = 6,528,751,406.36/93,201.62
  6. Step 6: Final answer
    x = 70,049.76

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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.