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Finding the Fourth Proportional to 118,868.87, 178,237.69 and 48,797.39

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Solution

The fourth proportional to 118,868.87, 178,237.69 and 48,797.39 is: 73,169.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,868.87 : 178,237.69 = 48,797.39 : x
  2. Step 2: Convert to fraction form
    118,868.87/178,237.69 = 48,797.39/x
  3. Step 3: Cross multiply
    118,868.87x = 178,237.69 × 48,797.39
  4. Step 4: Simplify right side
    118,868.87x = 8,697,532,936.45
  5. Step 5: Solve for x
    x = 8,697,532,936.45/118,868.87
  6. Step 6: Final answer
    x = 73,169.14

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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.