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Finding the Fourth Proportional to 169,514.96, 254,310.84 and 90,587.60

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Solution

The fourth proportional to 169,514.96, 254,310.84 and 90,587.60 is: 135,901.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,514.96 : 254,310.84 = 90,587.60 : x
  2. Step 2: Convert to fraction form
    169,514.96/254,310.84 = 90,587.60/x
  3. Step 3: Cross multiply
    169,514.96x = 254,310.84 × 90,587.60
  4. Step 4: Simplify right side
    169,514.96x = 23,037,408,649.58
  5. Step 5: Solve for x
    x = 23,037,408,649.58/169,514.96
  6. Step 6: Final answer
    x = 135,901.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.