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Finding the Fourth Proportional to 162,766.44, 224,606.80 and 90,164.42

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Solution

The fourth proportional to 162,766.44, 224,606.80 and 90,164.42 is: 124,420.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,766.44 : 224,606.80 = 90,164.42 : x
  2. Step 2: Convert to fraction form
    162,766.44/224,606.80 = 90,164.42/x
  3. Step 3: Cross multiply
    162,766.44x = 224,606.80 × 90,164.42
  4. Step 4: Simplify right side
    162,766.44x = 20,251,540,796.71
  5. Step 5: Solve for x
    x = 20,251,540,796.71/162,766.44
  6. Step 6: Final answer
    x = 124,420.86

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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.