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Finding the Fourth Proportional to 252,989.44, 349,288.32 and 162,384.64

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Solution

The fourth proportional to 252,989.44, 349,288.32 and 162,384.64 is: 224,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,989.44 : 349,288.32 = 162,384.64 : x
  2. Step 2: Convert to fraction form
    252,989.44/349,288.32 = 162,384.64/x
  3. Step 3: Cross multiply
    252,989.44x = 349,288.32 × 162,384.64
  4. Step 4: Simplify right side
    252,989.44x = 56,719,058,099.40
  5. Step 5: Solve for x
    x = 56,719,058,099.40/252,989.44
  6. Step 6: Final answer
    x = 224,195.36

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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.