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Finding the Fourth Proportional to 116,464.43, 160,717.19 and 65,479.32

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Solution

The fourth proportional to 116,464.43, 160,717.19 and 65,479.32 is: 90,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,464.43 : 160,717.19 = 65,479.32 : x
  2. Step 2: Convert to fraction form
    116,464.43/160,717.19 = 65,479.32/x
  3. Step 3: Cross multiply
    116,464.43x = 160,717.19 × 65,479.32
  4. Step 4: Simplify right side
    116,464.43x = 10,523,652,313.51
  5. Step 5: Solve for x
    x = 10,523,652,313.51/116,464.43
  6. Step 6: Final answer
    x = 90,359.37

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