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Finding the Fourth Proportional to 80,318.02, 110,841.72 and 48,480.70

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Solution

The fourth proportional to 80,318.02, 110,841.72 and 48,480.70 is: 66,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,318.02 : 110,841.72 = 48,480.70 : x
  2. Step 2: Convert to fraction form
    80,318.02/110,841.72 = 48,480.70/x
  3. Step 3: Cross multiply
    80,318.02x = 110,841.72 × 48,480.70
  4. Step 4: Simplify right side
    80,318.02x = 5,373,683,620.60
  5. Step 5: Solve for x
    x = 5,373,683,620.60/80,318.02
  6. Step 6: Final answer
    x = 66,905.08

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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.