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Finding the Fourth Proportional to 134,492.40, 201,738.60 and 119,458.80

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Solution

The fourth proportional to 134,492.40, 201,738.60 and 119,458.80 is: 179,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,492.40 : 201,738.60 = 119,458.80 : x
  2. Step 2: Convert to fraction form
    134,492.40/201,738.60 = 119,458.80/x
  3. Step 3: Cross multiply
    134,492.40x = 201,738.60 × 119,458.80
  4. Step 4: Simplify right side
    134,492.40x = 24,099,451,069.68
  5. Step 5: Solve for x
    x = 24,099,451,069.68/134,492.40
  6. Step 6: Final answer
    x = 179,188.20

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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.