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Finding the Fourth Proportional to 154,409.44, 231,623.34 and 59,640.34

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Solution

The fourth proportional to 154,409.44, 231,623.34 and 59,640.34 is: 89,464.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,409.44 : 231,623.34 = 59,640.34 : x
  2. Step 2: Convert to fraction form
    154,409.44/231,623.34 = 59,640.34/x
  3. Step 3: Cross multiply
    154,409.44x = 231,623.34 × 59,640.34
  4. Step 4: Simplify right side
    154,409.44x = 13,814,094,749.54
  5. Step 5: Solve for x
    x = 13,814,094,749.54/154,409.44
  6. Step 6: Final answer
    x = 89,464.06

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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.