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Finding the Fourth Proportional to 195,663.60, 270,021.60 and 124,027.20

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Solution

The fourth proportional to 195,663.60, 270,021.60 and 124,027.20 is: 171,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,663.60 : 270,021.60 = 124,027.20 : x
  2. Step 2: Convert to fraction form
    195,663.60/270,021.60 = 124,027.20/x
  3. Step 3: Cross multiply
    195,663.60x = 270,021.60 × 124,027.20
  4. Step 4: Simplify right side
    195,663.60x = 33,490,022,987.52
  5. Step 5: Solve for x
    x = 33,490,022,987.52/195,663.60
  6. Step 6: Final answer
    x = 171,161.23

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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.