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Finding the Fourth Proportional to 181,765.56, 250,840.76 and 101,198.50

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Solution

The fourth proportional to 181,765.56, 250,840.76 and 101,198.50 is: 139,656.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,765.56 : 250,840.76 = 101,198.50 : x
  2. Step 2: Convert to fraction form
    181,765.56/250,840.76 = 101,198.50/x
  3. Step 3: Cross multiply
    181,765.56x = 250,840.76 × 101,198.50
  4. Step 4: Simplify right side
    181,765.56x = 25,384,708,650.86
  5. Step 5: Solve for x
    x = 25,384,708,650.86/181,765.56
  6. Step 6: Final answer
    x = 139,656.32

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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.