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Finding the Fourth Proportional to 167,784.93, 251,677.13 and 115,034.49

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Solution

The fourth proportional to 167,784.93, 251,677.13 and 115,034.49 is: 172,551.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,784.93 : 251,677.13 = 115,034.49 : x
  2. Step 2: Convert to fraction form
    167,784.93/251,677.13 = 115,034.49/x
  3. Step 3: Cross multiply
    167,784.93x = 251,677.13 × 115,034.49
  4. Step 4: Simplify right side
    167,784.93x = 28,951,549,719.04
  5. Step 5: Solve for x
    x = 28,951,549,719.04/167,784.93
  6. Step 6: Final answer
    x = 172,551.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.