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Finding the Fourth Proportional to 265,406.73, 398,107.67 and 107,597.67

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Solution

The fourth proportional to 265,406.73, 398,107.67 and 107,597.67 is: 161,395.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,406.73 : 398,107.67 = 107,597.67 : x
  2. Step 2: Convert to fraction form
    265,406.73/398,107.67 = 107,597.67/x
  3. Step 3: Cross multiply
    265,406.73x = 398,107.67 × 107,597.67
  4. Step 4: Simplify right side
    265,406.73x = 42,835,457,163.14
  5. Step 5: Solve for x
    x = 42,835,457,163.14/265,406.73
  6. Step 6: Final answer
    x = 161,395.52

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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.