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Finding the Fourth Proportional to 250,134.01, 345,182.31 and 135,410.08

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Solution

The fourth proportional to 250,134.01, 345,182.31 and 135,410.08 is: 186,864.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,134.01 : 345,182.31 = 135,410.08 : x
  2. Step 2: Convert to fraction form
    250,134.01/345,182.31 = 135,410.08/x
  3. Step 3: Cross multiply
    250,134.01x = 345,182.31 × 135,410.08
  4. Step 4: Simplify right side
    250,134.01x = 46,741,164,211.68
  5. Step 5: Solve for x
    x = 46,741,164,211.68/250,134.01
  6. Step 6: Final answer
    x = 186,864.49

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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.