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Finding the Fourth Proportional to 111,027.60, 166,492.80 and 44,445.60

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Solution

The fourth proportional to 111,027.60, 166,492.80 and 44,445.60 is: 66,648.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,027.60 : 166,492.80 = 44,445.60 : x
  2. Step 2: Convert to fraction form
    111,027.60/166,492.80 = 44,445.60/x
  3. Step 3: Cross multiply
    111,027.60x = 166,492.80 × 44,445.60
  4. Step 4: Simplify right side
    111,027.60x = 7,399,872,391.68
  5. Step 5: Solve for x
    x = 7,399,872,391.68/111,027.60
  6. Step 6: Final answer
    x = 66,648.94

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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.