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Finding the Fourth Proportional to 255,198.88, 352,186 and 147,773.60

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Solution

The fourth proportional to 255,198.88, 352,186 and 147,773.60 is: 203,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,198.88 : 352,186 = 147,773.60 : x
  2. Step 2: Convert to fraction form
    255,198.88/352,186 = 147,773.60/x
  3. Step 3: Cross multiply
    255,198.88x = 352,186 × 147,773.60
  4. Step 4: Simplify right side
    255,198.88x = 52,043,793,089.60
  5. Step 5: Solve for x
    x = 52,043,793,089.60/255,198.88
  6. Step 6: Final answer
    x = 203,934.25

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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.