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Finding the Fourth Proportional to 148,508.80, 222,741.60 and 43,316.80

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Solution

The fourth proportional to 148,508.80, 222,741.60 and 43,316.80 is: 64,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,508.80 : 222,741.60 = 43,316.80 : x
  2. Step 2: Convert to fraction form
    148,508.80/222,741.60 = 43,316.80/x
  3. Step 3: Cross multiply
    148,508.80x = 222,741.60 × 43,316.80
  4. Step 4: Simplify right side
    148,508.80x = 9,648,453,338.88
  5. Step 5: Solve for x
    x = 9,648,453,338.88/148,508.80
  6. Step 6: Final answer
    x = 64,968.90

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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.