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Finding the Fourth Proportional to 252,199.55, 348,034.96 and 139,022.39

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Solution

The fourth proportional to 252,199.55, 348,034.96 and 139,022.39 is: 191,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,199.55 : 348,034.96 = 139,022.39 : x
  2. Step 2: Convert to fraction form
    252,199.55/348,034.96 = 139,022.39/x
  3. Step 3: Cross multiply
    252,199.55x = 348,034.96 × 139,022.39
  4. Step 4: Simplify right side
    252,199.55x = 48,384,651,942.75
  5. Step 5: Solve for x
    x = 48,384,651,942.75/252,199.55
  6. Step 6: Final answer
    x = 191,850.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.