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Finding the Fourth Proportional to 295,367.08, 407,640.72 and 168,062.62

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Solution

The fourth proportional to 295,367.08, 407,640.72 and 168,062.62 is: 231,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,367.08 : 407,640.72 = 168,062.62 : x
  2. Step 2: Convert to fraction form
    295,367.08/407,640.72 = 168,062.62/x
  3. Step 3: Cross multiply
    295,367.08x = 407,640.72 × 168,062.62
  4. Step 4: Simplify right side
    295,367.08x = 68,509,167,421.89
  5. Step 5: Solve for x
    x = 68,509,167,421.89/295,367.08
  6. Step 6: Final answer
    x = 231,945.85

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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.