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Finding the Fourth Proportional to 168,027.88, 231,873.04 and 96,406.80

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Solution

The fourth proportional to 168,027.88, 231,873.04 and 96,406.80 is: 133,038.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,027.88 : 231,873.04 = 96,406.80 : x
  2. Step 2: Convert to fraction form
    168,027.88/231,873.04 = 96,406.80/x
  3. Step 3: Cross multiply
    168,027.88x = 231,873.04 × 96,406.80
  4. Step 4: Simplify right side
    168,027.88x = 22,354,137,792.67
  5. Step 5: Solve for x
    x = 22,354,137,792.67/168,027.88
  6. Step 6: Final answer
    x = 133,038.27

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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.