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Finding the Fourth Proportional to 173,026.80, 259,491.60 and 54,734.40

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Solution

The fourth proportional to 173,026.80, 259,491.60 and 54,734.40 is: 82,086.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,026.80 : 259,491.60 = 54,734.40 : x
  2. Step 2: Convert to fraction form
    173,026.80/259,491.60 = 54,734.40/x
  3. Step 3: Cross multiply
    173,026.80x = 259,491.60 × 54,734.40
  4. Step 4: Simplify right side
    173,026.80x = 14,203,117,031.04
  5. Step 5: Solve for x
    x = 14,203,117,031.04/173,026.80
  6. Step 6: Final answer
    x = 82,086.23

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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.