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Finding the Fourth Proportional to 148,468.60, 222,702.90 and 69,736.60

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Solution

The fourth proportional to 148,468.60, 222,702.90 and 69,736.60 is: 104,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,468.60 : 222,702.90 = 69,736.60 : x
  2. Step 2: Convert to fraction form
    148,468.60/222,702.90 = 69,736.60/x
  3. Step 3: Cross multiply
    148,468.60x = 222,702.90 × 69,736.60
  4. Step 4: Simplify right side
    148,468.60x = 15,530,543,056.14
  5. Step 5: Solve for x
    x = 15,530,543,056.14/148,468.60
  6. Step 6: Final answer
    x = 104,604.90

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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.