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Finding the Fourth Proportional to 173,055.40, 259,558.80 and 54,738.70

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Solution

The fourth proportional to 173,055.40, 259,558.80 and 54,738.70 is: 82,100.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,055.40 : 259,558.80 = 54,738.70 : x
  2. Step 2: Convert to fraction form
    173,055.40/259,558.80 = 54,738.70/x
  3. Step 3: Cross multiply
    173,055.40x = 259,558.80 × 54,738.70
  4. Step 4: Simplify right side
    173,055.40x = 14,207,911,285.56
  5. Step 5: Solve for x
    x = 14,207,911,285.56/173,055.40
  6. Step 6: Final answer
    x = 82,100.36

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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.