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Finding the Fourth Proportional to 168,273.15, 252,409.73 and 61,656.90

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Solution

The fourth proportional to 168,273.15, 252,409.73 and 61,656.90 is: 92,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,273.15 : 252,409.73 = 61,656.90 : x
  2. Step 2: Convert to fraction form
    168,273.15/252,409.73 = 61,656.90/x
  3. Step 3: Cross multiply
    168,273.15x = 252,409.73 × 61,656.90
  4. Step 4: Simplify right side
    168,273.15x = 15,562,801,173.35
  5. Step 5: Solve for x
    x = 15,562,801,173.35/168,273.15
  6. Step 6: Final answer
    x = 92,485.35

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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.