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Finding the Fourth Proportional to 235,037, 324,351.06 and 129,053

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Solution

The fourth proportional to 235,037, 324,351.06 and 129,053 is: 178,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,037 : 324,351.06 = 129,053 : x
  2. Step 2: Convert to fraction form
    235,037/324,351.06 = 129,053/x
  3. Step 3: Cross multiply
    235,037x = 324,351.06 × 129,053
  4. Step 4: Simplify right side
    235,037x = 41,858,477,346.18
  5. Step 5: Solve for x
    x = 41,858,477,346.18/235,037
  6. Step 6: Final answer
    x = 178,093.14

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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.