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Finding the Fourth Proportional to 173,021.60, 259,532.40 and 171,855.20

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Solution

The fourth proportional to 173,021.60, 259,532.40 and 171,855.20 is: 257,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,021.60 : 259,532.40 = 171,855.20 : x
  2. Step 2: Convert to fraction form
    173,021.60/259,532.40 = 171,855.20/x
  3. Step 3: Cross multiply
    173,021.60x = 259,532.40 × 171,855.20
  4. Step 4: Simplify right side
    173,021.60x = 44,601,992,508.48
  5. Step 5: Solve for x
    x = 44,601,992,508.48/173,021.60
  6. Step 6: Final answer
    x = 257,782.80

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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.