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Finding the Fourth Proportional to 171,284.52, 256,281.66 and 118,795.56

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Solution

The fourth proportional to 171,284.52, 256,281.66 and 118,795.56 is: 177,745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,284.52 : 256,281.66 = 118,795.56 : x
  2. Step 2: Convert to fraction form
    171,284.52/256,281.66 = 118,795.56/x
  3. Step 3: Cross multiply
    171,284.52x = 256,281.66 × 118,795.56
  4. Step 4: Simplify right side
    171,284.52x = 30,445,123,317.43
  5. Step 5: Solve for x
    x = 30,445,123,317.43/171,284.52
  6. Step 6: Final answer
    x = 177,745.91

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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.