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Finding the Fourth Proportional to 88,907.05, 122,691.74 and 48,620.89

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Solution

The fourth proportional to 88,907.05, 122,691.74 and 48,620.89 is: 67,096.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,907.05 : 122,691.74 = 48,620.89 : x
  2. Step 2: Convert to fraction form
    88,907.05/122,691.74 = 48,620.89/x
  3. Step 3: Cross multiply
    88,907.05x = 122,691.74 × 48,620.89
  4. Step 4: Simplify right side
    88,907.05x = 5,965,381,594.45
  5. Step 5: Solve for x
    x = 5,965,381,594.45/88,907.05
  6. Step 6: Final answer
    x = 67,096.83

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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.