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Finding the Fourth Proportional to 148,495.80, 222,743.70 and 146,940.60

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Solution

The fourth proportional to 148,495.80, 222,743.70 and 146,940.60 is: 220,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,495.80 : 222,743.70 = 146,940.60 : x
  2. Step 2: Convert to fraction form
    148,495.80/222,743.70 = 146,940.60/x
  3. Step 3: Cross multiply
    148,495.80x = 222,743.70 × 146,940.60
  4. Step 4: Simplify right side
    148,495.80x = 32,730,092,924.22
  5. Step 5: Solve for x
    x = 32,730,092,924.22/148,495.80
  6. Step 6: Final answer
    x = 220,410.90

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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.