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Finding the Fourth Proportional to 163,576.89, 245,264.85 and 63,620.57

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Solution

The fourth proportional to 163,576.89, 245,264.85 and 63,620.57 is: 95,391.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,576.89 : 245,264.85 = 63,620.57 : x
  2. Step 2: Convert to fraction form
    163,576.89/245,264.85 = 63,620.57/x
  3. Step 3: Cross multiply
    163,576.89x = 245,264.85 × 63,620.57
  4. Step 4: Simplify right side
    163,576.89x = 15,603,890,171.13
  5. Step 5: Solve for x
    x = 15,603,890,171.13/163,576.89
  6. Step 6: Final answer
    x = 95,391.78

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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.