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Finding the Fourth Proportional to 235,449.82, 353,166.83 and 102,330.07

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Solution

The fourth proportional to 235,449.82, 353,166.83 and 102,330.07 is: 153,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,449.82 : 353,166.83 = 102,330.07 : x
  2. Step 2: Convert to fraction form
    235,449.82/353,166.83 = 102,330.07/x
  3. Step 3: Cross multiply
    235,449.82x = 353,166.83 × 102,330.07
  4. Step 4: Simplify right side
    235,449.82x = 36,139,586,435.58
  5. Step 5: Solve for x
    x = 36,139,586,435.58/235,449.82
  6. Step 6: Final answer
    x = 153,491.67

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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.