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Finding the Fourth Proportional to 234,325.94, 351,540.75 and 129,090.74

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Solution

The fourth proportional to 234,325.94, 351,540.75 and 129,090.74 is: 193,664.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,325.94 : 351,540.75 = 129,090.74 : x
  2. Step 2: Convert to fraction form
    234,325.94/351,540.75 = 129,090.74/x
  3. Step 3: Cross multiply
    234,325.94x = 351,540.75 × 129,090.74
  4. Step 4: Simplify right side
    234,325.94x = 45,380,655,557.66
  5. Step 5: Solve for x
    x = 45,380,655,557.66/234,325.94
  6. Step 6: Final answer
    x = 193,664.67

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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.