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Finding the Fourth Proportional to 245,431.44, 368,106.15 and 67,956.39

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Solution

The fourth proportional to 245,431.44, 368,106.15 and 67,956.39 is: 101,923.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,431.44 : 368,106.15 = 67,956.39 : x
  2. Step 2: Convert to fraction form
    245,431.44/368,106.15 = 67,956.39/x
  3. Step 3: Cross multiply
    245,431.44x = 368,106.15 × 67,956.39
  4. Step 4: Simplify right side
    245,431.44x = 25,015,164,400.60
  5. Step 5: Solve for x
    x = 25,015,164,400.60/245,431.44
  6. Step 6: Final answer
    x = 101,923.23

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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.