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Finding the Fourth Proportional to 173,181.60, 259,966.80 and 133,912.80

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Solution

The fourth proportional to 173,181.60, 259,966.80 and 133,912.80 is: 201,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,181.60 : 259,966.80 = 133,912.80 : x
  2. Step 2: Convert to fraction form
    173,181.60/259,966.80 = 133,912.80/x
  3. Step 3: Cross multiply
    173,181.60x = 259,966.80 × 133,912.80
  4. Step 4: Simplify right side
    173,181.60x = 34,812,882,095.04
  5. Step 5: Solve for x
    x = 34,812,882,095.04/173,181.60
  6. Step 6: Final answer
    x = 201,019.52

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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.