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Finding the Fourth Proportional to 110,939.60, 166,409.40 and 32,056.40

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Solution

The fourth proportional to 110,939.60, 166,409.40 and 32,056.40 is: 48,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,939.60 : 166,409.40 = 32,056.40 : x
  2. Step 2: Convert to fraction form
    110,939.60/166,409.40 = 32,056.40/x
  3. Step 3: Cross multiply
    110,939.60x = 166,409.40 × 32,056.40
  4. Step 4: Simplify right side
    110,939.60x = 5,334,486,290.16
  5. Step 5: Solve for x
    x = 5,334,486,290.16/110,939.60
  6. Step 6: Final answer
    x = 48,084.60

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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.