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Finding the Fourth Proportional to 114,945.99, 172,440.86 and 36,039.03

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Solution

The fourth proportional to 114,945.99, 172,440.86 and 36,039.03 is: 54,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,945.99 : 172,440.86 = 36,039.03 : x
  2. Step 2: Convert to fraction form
    114,945.99/172,440.86 = 36,039.03/x
  3. Step 3: Cross multiply
    114,945.99x = 172,440.86 × 36,039.03
  4. Step 4: Simplify right side
    114,945.99x = 6,214,601,146.57
  5. Step 5: Solve for x
    x = 6,214,601,146.57/114,945.99
  6. Step 6: Final answer
    x = 54,065.40

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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.