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Finding the Fourth Proportional to 295,613.64, 407,979.24 and 168,268.68

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Solution

The fourth proportional to 295,613.64, 407,979.24 and 168,268.68 is: 232,229.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,613.64 : 407,979.24 = 168,268.68 : x
  2. Step 2: Convert to fraction form
    295,613.64/407,979.24 = 168,268.68/x
  3. Step 3: Cross multiply
    295,613.64x = 407,979.24 × 168,268.68
  4. Step 4: Simplify right side
    295,613.64x = 68,650,128,182.20
  5. Step 5: Solve for x
    x = 68,650,128,182.20/295,613.64
  6. Step 6: Final answer
    x = 232,229.23

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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.