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Finding the Fourth Proportional to 118,900.44, 178,373.96 and 44,021.20

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Solution

The fourth proportional to 118,900.44, 178,373.96 and 44,021.20 is: 66,040.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,900.44 : 178,373.96 = 44,021.20 : x
  2. Step 2: Convert to fraction form
    118,900.44/178,373.96 = 44,021.20/x
  3. Step 3: Cross multiply
    118,900.44x = 178,373.96 × 44,021.20
  4. Step 4: Simplify right side
    118,900.44x = 7,852,235,767.95
  5. Step 5: Solve for x
    x = 7,852,235,767.95/118,900.44
  6. Step 6: Final answer
    x = 66,040.43

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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.