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Finding the Fourth Proportional to 110,889.60, 166,285.80 and 44,307.60

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Solution

The fourth proportional to 110,889.60, 166,285.80 and 44,307.60 is: 66,441.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,889.60 : 166,285.80 = 44,307.60 : x
  2. Step 2: Convert to fraction form
    110,889.60/166,285.80 = 44,307.60/x
  3. Step 3: Cross multiply
    110,889.60x = 166,285.80 × 44,307.60
  4. Step 4: Simplify right side
    110,889.60x = 7,367,724,712.08
  5. Step 5: Solve for x
    x = 7,367,724,712.08/110,889.60
  6. Step 6: Final answer
    x = 66,441.98

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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.