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Finding the Fourth Proportional to 252,073.08, 377,978.40 and 74,556.14

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Solution

The fourth proportional to 252,073.08, 377,978.40 and 74,556.14 is: 111,795.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,073.08 : 377,978.40 = 74,556.14 : x
  2. Step 2: Convert to fraction form
    252,073.08/377,978.40 = 74,556.14/x
  3. Step 3: Cross multiply
    252,073.08x = 377,978.40 × 74,556.14
  4. Step 4: Simplify right side
    252,073.08x = 28,180,608,617.48
  5. Step 5: Solve for x
    x = 28,180,608,617.48/252,073.08
  6. Step 6: Final answer
    x = 111,795.39

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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.