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Finding the Fourth Proportional to 148,967.60, 223,456.80 and 43,797.20

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Solution

The fourth proportional to 148,967.60, 223,456.80 and 43,797.20 is: 65,697.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,967.60 : 223,456.80 = 43,797.20 : x
  2. Step 2: Convert to fraction form
    148,967.60/223,456.80 = 43,797.20/x
  3. Step 3: Cross multiply
    148,967.60x = 223,456.80 × 43,797.20
  4. Step 4: Simplify right side
    148,967.60x = 9,786,782,160.96
  5. Step 5: Solve for x
    x = 9,786,782,160.96/148,967.60
  6. Step 6: Final answer
    x = 65,697.39

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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.