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Finding the Fourth Proportional to 236,514.60, 354,771.90 and 165,655.80

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Solution

The fourth proportional to 236,514.60, 354,771.90 and 165,655.80 is: 248,483.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,514.60 : 354,771.90 = 165,655.80 : x
  2. Step 2: Convert to fraction form
    236,514.60/354,771.90 = 165,655.80/x
  3. Step 3: Cross multiply
    236,514.60x = 354,771.90 × 165,655.80
  4. Step 4: Simplify right side
    236,514.60x = 58,770,022,912.02
  5. Step 5: Solve for x
    x = 58,770,022,912.02/236,514.60
  6. Step 6: Final answer
    x = 248,483.70

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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.