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Finding the Fourth Proportional to 154,559, 231,838.50 and 43,751

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Solution

The fourth proportional to 154,559, 231,838.50 and 43,751 is: 65,626.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,559 : 231,838.50 = 43,751 : x
  2. Step 2: Convert to fraction form
    154,559/231,838.50 = 43,751/x
  3. Step 3: Cross multiply
    154,559x = 231,838.50 × 43,751
  4. Step 4: Simplify right side
    154,559x = 10,143,166,213.50
  5. Step 5: Solve for x
    x = 10,143,166,213.50/154,559
  6. Step 6: Final answer
    x = 65,626.50

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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.