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Finding the Fourth Proportional to 92,673.41, 138,960.30 and 29,476.40

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Solution

The fourth proportional to 92,673.41, 138,960.30 and 29,476.40 is: 44,198.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,673.41 : 138,960.30 = 29,476.40 : x
  2. Step 2: Convert to fraction form
    92,673.41/138,960.30 = 29,476.40/x
  3. Step 3: Cross multiply
    92,673.41x = 138,960.30 × 29,476.40
  4. Step 4: Simplify right side
    92,673.41x = 4,096,049,386.92
  5. Step 5: Solve for x
    x = 4,096,049,386.92/92,673.41
  6. Step 6: Final answer
    x = 44,198.76

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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.