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Finding the Fourth Proportional to 179,688.99, 269,454.54 and 67,290.37

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Solution

The fourth proportional to 179,688.99, 269,454.54 and 67,290.37 is: 100,905.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,688.99 : 269,454.54 = 67,290.37 : x
  2. Step 2: Convert to fraction form
    179,688.99/269,454.54 = 67,290.37/x
  3. Step 3: Cross multiply
    179,688.99x = 269,454.54 × 67,290.37
  4. Step 4: Simplify right side
    179,688.99x = 18,131,695,526.55
  5. Step 5: Solve for x
    x = 18,131,695,526.55/179,688.99
  6. Step 6: Final answer
    x = 100,905.99

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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.