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Finding the Fourth Proportional to 162,408.44, 224,128.26 and 90,796.52

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Solution

The fourth proportional to 162,408.44, 224,128.26 and 90,796.52 is: 125,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,408.44 : 224,128.26 = 90,796.52 : x
  2. Step 2: Convert to fraction form
    162,408.44/224,128.26 = 90,796.52/x
  3. Step 3: Cross multiply
    162,408.44x = 224,128.26 × 90,796.52
  4. Step 4: Simplify right side
    162,408.44x = 20,350,066,041.66
  5. Step 5: Solve for x
    x = 20,350,066,041.66/162,408.44
  6. Step 6: Final answer
    x = 125,301.78

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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.