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Finding the Fourth Proportional to 183,885.52, 275,314.37 and 99,342.78

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Solution

The fourth proportional to 183,885.52, 275,314.37 and 99,342.78 is: 148,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,885.52 : 275,314.37 = 99,342.78 : x
  2. Step 2: Convert to fraction form
    183,885.52/275,314.37 = 99,342.78/x
  3. Step 3: Cross multiply
    183,885.52x = 275,314.37 × 99,342.78
  4. Step 4: Simplify right side
    183,885.52x = 27,350,495,468.05
  5. Step 5: Solve for x
    x = 27,350,495,468.05/183,885.52
  6. Step 6: Final answer
    x = 148,736.54

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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.