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Finding the Fourth Proportional to 88,676.96, 122,205.36 and 63,482.72

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Solution

The fourth proportional to 88,676.96, 122,205.36 and 63,482.72 is: 87,485.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,676.96 : 122,205.36 = 63,482.72 : x
  2. Step 2: Convert to fraction form
    88,676.96/122,205.36 = 63,482.72/x
  3. Step 3: Cross multiply
    88,676.96x = 122,205.36 × 63,482.72
  4. Step 4: Simplify right side
    88,676.96x = 7,757,928,651.38
  5. Step 5: Solve for x
    x = 7,757,928,651.38/88,676.96
  6. Step 6: Final answer
    x = 87,485.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.