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Finding the Fourth Proportional to 250,271.81, 345,098.36 and 159,483.98

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Solution

The fourth proportional to 250,271.81, 345,098.36 and 159,483.98 is: 219,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,271.81 : 345,098.36 = 159,483.98 : x
  2. Step 2: Convert to fraction form
    250,271.81/345,098.36 = 159,483.98/x
  3. Step 3: Cross multiply
    250,271.81x = 345,098.36 × 159,483.98
  4. Step 4: Simplify right side
    250,271.81x = 55,037,659,944.27
  5. Step 5: Solve for x
    x = 55,037,659,944.27/250,271.81
  6. Step 6: Final answer
    x = 219,911.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.