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Finding the Fourth Proportional to 148,113.60, 222,202.80 and 48,256.80

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Solution

The fourth proportional to 148,113.60, 222,202.80 and 48,256.80 is: 72,395.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,113.60 : 222,202.80 = 48,256.80 : x
  2. Step 2: Convert to fraction form
    148,113.60/222,202.80 = 48,256.80/x
  3. Step 3: Cross multiply
    148,113.60x = 222,202.80 × 48,256.80
  4. Step 4: Simplify right side
    148,113.60x = 10,722,796,079.04
  5. Step 5: Solve for x
    x = 10,722,796,079.04/148,113.60
  6. Step 6: Final answer
    x = 72,395.76

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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.