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Finding the Fourth Proportional to 166,993.02, 230,449.50 and 91,541.52

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Solution

The fourth proportional to 166,993.02, 230,449.50 and 91,541.52 is: 126,326.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,993.02 : 230,449.50 = 91,541.52 : x
  2. Step 2: Convert to fraction form
    166,993.02/230,449.50 = 91,541.52/x
  3. Step 3: Cross multiply
    166,993.02x = 230,449.50 × 91,541.52
  4. Step 4: Simplify right side
    166,993.02x = 21,095,697,513.24
  5. Step 5: Solve for x
    x = 21,095,697,513.24/166,993.02
  6. Step 6: Final answer
    x = 126,326.82

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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.