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Finding the Fourth Proportional to 116,673.44, 160,953.32 and 76,369.44

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Solution

The fourth proportional to 116,673.44, 160,953.32 and 76,369.44 is: 105,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,673.44 : 160,953.32 = 76,369.44 : x
  2. Step 2: Convert to fraction form
    116,673.44/160,953.32 = 76,369.44/x
  3. Step 3: Cross multiply
    116,673.44x = 160,953.32 × 76,369.44
  4. Step 4: Simplify right side
    116,673.44x = 12,291,914,914.54
  5. Step 5: Solve for x
    x = 12,291,914,914.54/116,673.44
  6. Step 6: Final answer
    x = 105,353.15

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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.