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Finding the Fourth Proportional to 162,962.37, 224,883.81 and 91,347.03

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Solution

The fourth proportional to 162,962.37, 224,883.81 and 91,347.03 is: 126,056.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,962.37 : 224,883.81 = 91,347.03 : x
  2. Step 2: Convert to fraction form
    162,962.37/224,883.81 = 91,347.03/x
  3. Step 3: Cross multiply
    162,962.37x = 224,883.81 × 91,347.03
  4. Step 4: Simplify right side
    162,962.37x = 20,542,468,138.58
  5. Step 5: Solve for x
    x = 20,542,468,138.58/162,962.37
  6. Step 6: Final answer
    x = 126,056.51

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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.