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Finding the Fourth Proportional to 162,134.44, 223,745.53 and 90,514.46

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Solution

The fourth proportional to 162,134.44, 223,745.53 and 90,514.46 is: 124,909.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,134.44 : 223,745.53 = 90,514.46 : x
  2. Step 2: Convert to fraction form
    162,134.44/223,745.53 = 90,514.46/x
  3. Step 3: Cross multiply
    162,134.44x = 223,745.53 × 90,514.46
  4. Step 4: Simplify right side
    162,134.44x = 20,252,206,773.66
  5. Step 5: Solve for x
    x = 20,252,206,773.66/162,134.44
  6. Step 6: Final answer
    x = 124,909.96

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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.