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Finding the Fourth Proportional to 181,682.72, 250,683.84 and 106,216.64

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Solution

The fourth proportional to 181,682.72, 250,683.84 and 106,216.64 is: 146,556.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,682.72 : 250,683.84 = 106,216.64 : x
  2. Step 2: Convert to fraction form
    181,682.72/250,683.84 = 106,216.64/x
  3. Step 3: Cross multiply
    181,682.72x = 250,683.84 × 106,216.64
  4. Step 4: Simplify right side
    181,682.72x = 26,626,795,187.10
  5. Step 5: Solve for x
    x = 26,626,795,187.10/181,682.72
  6. Step 6: Final answer
    x = 146,556.56

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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.