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Finding the Fourth Proportional to 253,031.46, 349,045.18 and 162,286.44

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Solution

The fourth proportional to 253,031.46, 349,045.18 and 162,286.44 is: 223,866.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,031.46 : 349,045.18 = 162,286.44 : x
  2. Step 2: Convert to fraction form
    253,031.46/349,045.18 = 162,286.44/x
  3. Step 3: Cross multiply
    253,031.46x = 349,045.18 × 162,286.44
  4. Step 4: Simplify right side
    253,031.46x = 56,645,299,255.64
  5. Step 5: Solve for x
    x = 56,645,299,255.64/253,031.46
  6. Step 6: Final answer
    x = 223,866.63

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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.