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Finding the Fourth Proportional to 183,720.96, 275,642.80 and 71,404.84

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Solution

The fourth proportional to 183,720.96, 275,642.80 and 71,404.84 is: 107,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,720.96 : 275,642.80 = 71,404.84 : x
  2. Step 2: Convert to fraction form
    183,720.96/275,642.80 = 71,404.84/x
  3. Step 3: Cross multiply
    183,720.96x = 275,642.80 × 71,404.84
  4. Step 4: Simplify right side
    183,720.96x = 19,682,230,197.19
  5. Step 5: Solve for x
    x = 19,682,230,197.19/183,720.96
  6. Step 6: Final answer
    x = 107,131.11

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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.