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Finding the Fourth Proportional to 111,110.60, 166,649.70 and 32,216.60

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Solution

The fourth proportional to 111,110.60, 166,649.70 and 32,216.60 is: 48,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,110.60 : 166,649.70 = 32,216.60 : x
  2. Step 2: Convert to fraction form
    111,110.60/166,649.70 = 32,216.60/x
  3. Step 3: Cross multiply
    111,110.60x = 166,649.70 × 32,216.60
  4. Step 4: Simplify right side
    111,110.60x = 5,368,886,725.02
  5. Step 5: Solve for x
    x = 5,368,886,725.02/111,110.60
  6. Step 6: Final answer
    x = 48,320.20

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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.