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Finding the Fourth Proportional to 88,863, 122,630.65 and 48,576.77

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Solution

The fourth proportional to 88,863, 122,630.65 and 48,576.77 is: 67,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,863 : 122,630.65 = 48,576.77 : x
  2. Step 2: Convert to fraction form
    88,863/122,630.65 = 48,576.77/x
  3. Step 3: Cross multiply
    88,863x = 122,630.65 × 48,576.77
  4. Step 4: Simplify right side
    88,863x = 5,957,000,880.00
  5. Step 5: Solve for x
    x = 5,957,000,880.00/88,863
  6. Step 6: Final answer
    x = 67,035.78

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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.