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Finding the Fourth Proportional to 245,422.46, 368,133.24 and 67,928.96

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Solution

The fourth proportional to 245,422.46, 368,133.24 and 67,928.96 is: 101,893.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,422.46 : 368,133.24 = 67,928.96 : x
  2. Step 2: Convert to fraction form
    245,422.46/368,133.24 = 67,928.96/x
  3. Step 3: Cross multiply
    245,422.46x = 368,133.24 × 67,928.96
  4. Step 4: Simplify right side
    245,422.46x = 25,006,908,134.63
  5. Step 5: Solve for x
    x = 25,006,908,134.63/245,422.46
  6. Step 6: Final answer
    x = 101,893.32

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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.