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Finding the Fourth Proportional to 162,227.42, 223,871.46 and 90,608.44

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Solution

The fourth proportional to 162,227.42, 223,871.46 and 90,608.44 is: 125,038.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,227.42 : 223,871.46 = 90,608.44 : x
  2. Step 2: Convert to fraction form
    162,227.42/223,871.46 = 90,608.44/x
  3. Step 3: Cross multiply
    162,227.42x = 223,871.46 × 90,608.44
  4. Step 4: Simplify right side
    162,227.42x = 20,284,642,631.77
  5. Step 5: Solve for x
    x = 20,284,642,631.77/162,227.42
  6. Step 6: Final answer
    x = 125,038.31

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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.