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Finding the Fourth Proportional to 148,991.24, 223,481.90 and 64,751.48

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Solution

The fourth proportional to 148,991.24, 223,481.90 and 64,751.48 is: 97,125.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,991.24 : 223,481.90 = 64,751.48 : x
  2. Step 2: Convert to fraction form
    148,991.24/223,481.90 = 64,751.48/x
  3. Step 3: Cross multiply
    148,991.24x = 223,481.90 × 64,751.48
  4. Step 4: Simplify right side
    148,991.24x = 14,470,784,498.80
  5. Step 5: Solve for x
    x = 14,470,784,498.80/148,991.24
  6. Step 6: Final answer
    x = 97,125.07

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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.