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Finding the Fourth Proportional to 173,137.80, 259,658.10 and 54,845.40

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Solution

The fourth proportional to 173,137.80, 259,658.10 and 54,845.40 is: 82,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,137.80 : 259,658.10 = 54,845.40 : x
  2. Step 2: Convert to fraction form
    173,137.80/259,658.10 = 54,845.40/x
  3. Step 3: Cross multiply
    173,137.80x = 259,658.10 × 54,845.40
  4. Step 4: Simplify right side
    173,137.80x = 14,241,052,357.74
  5. Step 5: Solve for x
    x = 14,241,052,357.74/173,137.80
  6. Step 6: Final answer
    x = 82,252.70

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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.