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Finding the Fourth Proportional to 103,027.60, 154,467.60 and 39,793.60

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Solution

The fourth proportional to 103,027.60, 154,467.60 and 39,793.60 is: 59,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,027.60 : 154,467.60 = 39,793.60 : x
  2. Step 2: Convert to fraction form
    103,027.60/154,467.60 = 39,793.60/x
  3. Step 3: Cross multiply
    103,027.60x = 154,467.60 × 39,793.60
  4. Step 4: Simplify right side
    103,027.60x = 6,146,821,887.36
  5. Step 5: Solve for x
    x = 6,146,821,887.36/103,027.60
  6. Step 6: Final answer
    x = 59,661.90

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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.