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Finding the Fourth Proportional to 253,293.75, 349,551.18 and 145,846.44

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Solution

The fourth proportional to 253,293.75, 349,551.18 and 145,846.44 is: 201,271.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,293.75 : 349,551.18 = 145,846.44 : x
  2. Step 2: Convert to fraction form
    253,293.75/349,551.18 = 145,846.44/x
  3. Step 3: Cross multiply
    253,293.75x = 349,551.18 × 145,846.44
  4. Step 4: Simplify right side
    253,293.75x = 50,980,795,200.80
  5. Step 5: Solve for x
    x = 50,980,795,200.80/253,293.75
  6. Step 6: Final answer
    x = 201,271.43

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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.