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Finding the Fourth Proportional to 173,315.20, 259,972.80 and 162,817.60

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Solution

The fourth proportional to 173,315.20, 259,972.80 and 162,817.60 is: 244,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,315.20 : 259,972.80 = 162,817.60 : x
  2. Step 2: Convert to fraction form
    173,315.20/259,972.80 = 162,817.60/x
  3. Step 3: Cross multiply
    173,315.20x = 259,972.80 × 162,817.60
  4. Step 4: Simplify right side
    173,315.20x = 42,328,147,361.28
  5. Step 5: Solve for x
    x = 42,328,147,361.28/173,315.20
  6. Step 6: Final answer
    x = 244,226.40

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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.