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Finding the Fourth Proportional to 255,467.31, 352,544.99 and 148,099.58

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Solution

The fourth proportional to 255,467.31, 352,544.99 and 148,099.58 is: 204,377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,467.31 : 352,544.99 = 148,099.58 : x
  2. Step 2: Convert to fraction form
    255,467.31/352,544.99 = 148,099.58/x
  3. Step 3: Cross multiply
    255,467.31x = 352,544.99 × 148,099.58
  4. Step 4: Simplify right side
    255,467.31x = 52,211,765,090.97
  5. Step 5: Solve for x
    x = 52,211,765,090.97/255,467.31
  6. Step 6: Final answer
    x = 204,377.48

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1.5x scale

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.