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Finding the Fourth Proportional to 181,745.76, 272,662.78 and 57,086.76

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Solution

The fourth proportional to 181,745.76, 272,662.78 and 57,086.76 is: 85,644.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,745.76 : 272,662.78 = 57,086.76 : x
  2. Step 2: Convert to fraction form
    181,745.76/272,662.78 = 57,086.76/x
  3. Step 3: Cross multiply
    181,745.76x = 272,662.78 × 57,086.76
  4. Step 4: Simplify right side
    181,745.76x = 15,565,434,682.79
  5. Step 5: Solve for x
    x = 15,565,434,682.79/181,745.76
  6. Step 6: Final answer
    x = 85,644.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.