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Finding the Fourth Proportional to 168,783.15, 253,230.15 and 69,027.24

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Solution

The fourth proportional to 168,783.15, 253,230.15 and 69,027.24 is: 103,563.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,783.15 : 253,230.15 = 69,027.24 : x
  2. Step 2: Convert to fraction form
    168,783.15/253,230.15 = 69,027.24/x
  3. Step 3: Cross multiply
    168,783.15x = 253,230.15 × 69,027.24
  4. Step 4: Simplify right side
    168,783.15x = 17,479,778,339.29
  5. Step 5: Solve for x
    x = 17,479,778,339.29/168,783.15
  6. Step 6: Final answer
    x = 103,563.53

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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.