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Finding the Fourth Proportional to 245,446.88, 368,170.79 and 67,954.41

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Solution

The fourth proportional to 245,446.88, 368,170.79 and 67,954.41 is: 101,931.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,446.88 : 368,170.79 = 67,954.41 : x
  2. Step 2: Convert to fraction form
    245,446.88/368,170.79 = 67,954.41/x
  3. Step 3: Cross multiply
    245,446.88x = 368,170.79 × 67,954.41
  4. Step 4: Simplify right side
    245,446.88x = 25,018,828,473.91
  5. Step 5: Solve for x
    x = 25,018,828,473.91/245,446.88
  6. Step 6: Final answer
    x = 101,931.75

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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.