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Finding the Fourth Proportional to 169,422.59, 254,081.97 and 57,072.66

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Solution

The fourth proportional to 169,422.59, 254,081.97 and 57,072.66 is: 85,591.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,422.59 : 254,081.97 = 57,072.66 : x
  2. Step 2: Convert to fraction form
    169,422.59/254,081.97 = 57,072.66/x
  3. Step 3: Cross multiply
    169,422.59x = 254,081.97 × 57,072.66
  4. Step 4: Simplify right side
    169,422.59x = 14,501,133,885.94
  5. Step 5: Solve for x
    x = 14,501,133,885.94/169,422.59
  6. Step 6: Final answer
    x = 85,591.50

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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.