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Finding the Fourth Proportional to 174,739.20, 262,108.80 and 171,823.20

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Solution

The fourth proportional to 174,739.20, 262,108.80 and 171,823.20 is: 257,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,739.20 : 262,108.80 = 171,823.20 : x
  2. Step 2: Convert to fraction form
    174,739.20/262,108.80 = 171,823.20/x
  3. Step 3: Cross multiply
    174,739.20x = 262,108.80 × 171,823.20
  4. Step 4: Simplify right side
    174,739.20x = 45,036,372,764.16
  5. Step 5: Solve for x
    x = 45,036,372,764.16/174,739.20
  6. Step 6: Final answer
    x = 257,734.80

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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.