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Finding the Fourth Proportional to 101,211.60, 151,817.40 and 48,608.40

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Solution

The fourth proportional to 101,211.60, 151,817.40 and 48,608.40 is: 72,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,211.60 : 151,817.40 = 48,608.40 : x
  2. Step 2: Convert to fraction form
    101,211.60/151,817.40 = 48,608.40/x
  3. Step 3: Cross multiply
    101,211.60x = 151,817.40 × 48,608.40
  4. Step 4: Simplify right side
    101,211.60x = 7,379,600,906.16
  5. Step 5: Solve for x
    x = 7,379,600,906.16/101,211.60
  6. Step 6: Final answer
    x = 72,912.60

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1.5x scale

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.