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Finding the Fourth Proportional to 114,491.29, 171,708.93 and 89,469.27

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Solution

The fourth proportional to 114,491.29, 171,708.93 and 89,469.27 is: 134,182.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,491.29 : 171,708.93 = 89,469.27 : x
  2. Step 2: Convert to fraction form
    114,491.29/171,708.93 = 89,469.27/x
  3. Step 3: Cross multiply
    114,491.29x = 171,708.93 × 89,469.27
  4. Step 4: Simplify right side
    114,491.29x = 15,362,673,263.49
  5. Step 5: Solve for x
    x = 15,362,673,263.49/114,491.29
  6. Step 6: Final answer
    x = 134,182.03

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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.