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Finding the Fourth Proportional to 181,129.96, 271,311.90 and 114,535.72

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Solution

The fourth proportional to 181,129.96, 271,311.90 and 114,535.72 is: 171,561.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,129.96 : 271,311.90 = 114,535.72 : x
  2. Step 2: Convert to fraction form
    181,129.96/271,311.90 = 114,535.72/x
  3. Step 3: Cross multiply
    181,129.96x = 271,311.90 × 114,535.72
  4. Step 4: Simplify right side
    181,129.96x = 31,074,903,811.07
  5. Step 5: Solve for x
    x = 31,074,903,811.07/181,129.96
  6. Step 6: Final answer
    x = 171,561.37

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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.