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Finding the Fourth Proportional to 118,803.44, 178,205.52 and 28,846.08

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Solution

The fourth proportional to 118,803.44, 178,205.52 and 28,846.08 is: 43,269.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,803.44 : 178,205.52 = 28,846.08 : x
  2. Step 2: Convert to fraction form
    118,803.44/178,205.52 = 28,846.08/x
  3. Step 3: Cross multiply
    118,803.44x = 178,205.52 × 28,846.08
  4. Step 4: Simplify right side
    118,803.44x = 5,140,530,686.36
  5. Step 5: Solve for x
    x = 5,140,530,686.36/118,803.44
  6. Step 6: Final answer
    x = 43,269.21

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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.