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Finding the Fourth Proportional to 144,612.57, 199,514.03 and 94,224.09

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Solution

The fourth proportional to 144,612.57, 199,514.03 and 94,224.09 is: 129,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,612.57 : 199,514.03 = 94,224.09 : x
  2. Step 2: Convert to fraction form
    144,612.57/199,514.03 = 94,224.09/x
  3. Step 3: Cross multiply
    144,612.57x = 199,514.03 × 94,224.09
  4. Step 4: Simplify right side
    144,612.57x = 18,799,027,447.86
  5. Step 5: Solve for x
    x = 18,799,027,447.86/144,612.57
  6. Step 6: Final answer
    x = 129,995.80

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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.