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Finding the Fourth Proportional to 252,195.94, 348,032.73 and 139,022.74

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Solution

The fourth proportional to 252,195.94, 348,032.73 and 139,022.74 is: 191,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,195.94 : 348,032.73 = 139,022.74 : x
  2. Step 2: Convert to fraction form
    252,195.94/348,032.73 = 139,022.74/x
  3. Step 3: Cross multiply
    252,195.94x = 348,032.73 × 139,022.74
  4. Step 4: Simplify right side
    252,195.94x = 48,384,463,734.28
  5. Step 5: Solve for x
    x = 48,384,463,734.28/252,195.94
  6. Step 6: Final answer
    x = 191,852.67

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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.