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Finding the Fourth Proportional to 201,672.34, 278,427.63 and 179,252.26

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Solution

The fourth proportional to 201,672.34, 278,427.63 and 179,252.26 is: 247,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,672.34 : 278,427.63 = 179,252.26 : x
  2. Step 2: Convert to fraction form
    201,672.34/278,427.63 = 179,252.26/x
  3. Step 3: Cross multiply
    201,672.34x = 278,427.63 × 179,252.26
  4. Step 4: Simplify right side
    201,672.34x = 49,908,781,923.94
  5. Step 5: Solve for x
    x = 49,908,781,923.94/201,672.34
  6. Step 6: Final answer
    x = 247,474.60

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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.