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Finding the Fourth Proportional to 143,395.99, 214,900.23 and 54,601.06

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Solution

The fourth proportional to 143,395.99, 214,900.23 and 54,601.06 is: 81,827.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,395.99 : 214,900.23 = 54,601.06 : x
  2. Step 2: Convert to fraction form
    143,395.99/214,900.23 = 54,601.06/x
  3. Step 3: Cross multiply
    143,395.99x = 214,900.23 × 54,601.06
  4. Step 4: Simplify right side
    143,395.99x = 11,733,779,279.94
  5. Step 5: Solve for x
    x = 11,733,779,279.94/143,395.99
  6. Step 6: Final answer
    x = 81,827.81

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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.