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Finding the Fourth Proportional to 133,381.01, 199,849.38 and 93,855.07

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Solution

The fourth proportional to 133,381.01, 199,849.38 and 93,855.07 is: 140,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,381.01 : 199,849.38 = 93,855.07 : x
  2. Step 2: Convert to fraction form
    133,381.01/199,849.38 = 93,855.07/x
  3. Step 3: Cross multiply
    133,381.01x = 199,849.38 × 93,855.07
  4. Step 4: Simplify right side
    133,381.01x = 18,756,877,447.21
  5. Step 5: Solve for x
    x = 18,756,877,447.21/133,381.01
  6. Step 6: Final answer
    x = 140,626.29

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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.