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Finding the Fourth Proportional to 162,227.42, 223,871.49 and 90,608.48

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Solution

The fourth proportional to 162,227.42, 223,871.49 and 90,608.48 is: 125,038.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,227.42 : 223,871.49 = 90,608.48 : x
  2. Step 2: Convert to fraction form
    162,227.42/223,871.49 = 90,608.48/x
  3. Step 3: Cross multiply
    162,227.42x = 223,871.49 × 90,608.48
  4. Step 4: Simplify right side
    162,227.42x = 20,284,655,424.24
  5. Step 5: Solve for x
    x = 20,284,655,424.24/162,227.42
  6. Step 6: Final answer
    x = 125,038.39

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1.5x scale

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.