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Finding the Fourth Proportional to 148,496.80, 222,745.20 and 146,941.60

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Solution

The fourth proportional to 148,496.80, 222,745.20 and 146,941.60 is: 220,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,496.80 : 222,745.20 = 146,941.60 : x
  2. Step 2: Convert to fraction form
    148,496.80/222,745.20 = 146,941.60/x
  3. Step 3: Cross multiply
    148,496.80x = 222,745.20 × 146,941.60
  4. Step 4: Simplify right side
    148,496.80x = 32,730,536,080.32
  5. Step 5: Solve for x
    x = 32,730,536,080.32/148,496.80
  6. Step 6: Final answer
    x = 220,412.40

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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.