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Finding the Fourth Proportional to 183,260.72, 274,996.80 and 99,021.12

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Solution

The fourth proportional to 183,260.72, 274,996.80 and 99,021.12 is: 148,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,260.72 : 274,996.80 = 99,021.12 : x
  2. Step 2: Convert to fraction form
    183,260.72/274,996.80 = 99,021.12/x
  3. Step 3: Cross multiply
    183,260.72x = 274,996.80 × 99,021.12
  4. Step 4: Simplify right side
    183,260.72x = 27,230,491,132.42
  5. Step 5: Solve for x
    x = 27,230,491,132.42/183,260.72
  6. Step 6: Final answer
    x = 148,588.80

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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.