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Finding the Fourth Proportional to 173,090.60, 259,660.20 and 54,749.60

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Solution

The fourth proportional to 173,090.60, 259,660.20 and 54,749.60 is: 82,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,090.60 : 259,660.20 = 54,749.60 : x
  2. Step 2: Convert to fraction form
    173,090.60/259,660.20 = 54,749.60/x
  3. Step 3: Cross multiply
    173,090.60x = 259,660.20 × 54,749.60
  4. Step 4: Simplify right side
    173,090.60x = 14,216,292,085.92
  5. Step 5: Solve for x
    x = 14,216,292,085.92/173,090.60
  6. Step 6: Final answer
    x = 82,132.09

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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.