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Finding the Fourth Proportional to 173,122.80, 259,635.60 and 54,830.40

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Solution

The fourth proportional to 173,122.80, 259,635.60 and 54,830.40 is: 82,230.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,122.80 : 259,635.60 = 54,830.40 : x
  2. Step 2: Convert to fraction form
    173,122.80/259,635.60 = 54,830.40/x
  3. Step 3: Cross multiply
    173,122.80x = 259,635.60 × 54,830.40
  4. Step 4: Simplify right side
    173,122.80x = 14,235,923,802.24
  5. Step 5: Solve for x
    x = 14,235,923,802.24/173,122.80
  6. Step 6: Final answer
    x = 82,230.21

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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.