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Finding the Fourth Proportional to 245,448.88, 368,173.79 and 67,956.41

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Solution

The fourth proportional to 245,448.88, 368,173.79 and 67,956.41 is: 101,934.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,448.88 : 368,173.79 = 67,956.41 : x
  2. Step 2: Convert to fraction form
    245,448.88/368,173.79 = 67,956.41/x
  3. Step 3: Cross multiply
    245,448.88x = 368,173.79 × 67,956.41
  4. Step 4: Simplify right side
    245,448.88x = 25,019,768,684.71
  5. Step 5: Solve for x
    x = 25,019,768,684.71/245,448.88
  6. Step 6: Final answer
    x = 101,934.75

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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.