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Finding the Fourth Proportional to 168,956, 233,155.68 and 92,475.08

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Solution

The fourth proportional to 168,956, 233,155.68 and 92,475.08 is: 127,613.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,956 : 233,155.68 = 92,475.08 : x
  2. Step 2: Convert to fraction form
    168,956/233,155.68 = 92,475.08/x
  3. Step 3: Cross multiply
    168,956x = 233,155.68 × 92,475.08
  4. Step 4: Simplify right side
    168,956x = 21,561,090,160.45
  5. Step 5: Solve for x
    x = 21,561,090,160.45/168,956
  6. Step 6: Final answer
    x = 127,613.64

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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.