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Finding the Fourth Proportional to 255,615.37, 352,750.61 and 148,249.06

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Solution

The fourth proportional to 255,615.37, 352,750.61 and 148,249.06 is: 204,584.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,615.37 : 352,750.61 = 148,249.06 : x
  2. Step 2: Convert to fraction form
    255,615.37/352,750.61 = 148,249.06/x
  3. Step 3: Cross multiply
    255,615.37x = 352,750.61 × 148,249.06
  4. Step 4: Simplify right side
    255,615.37x = 52,294,946,346.93
  5. Step 5: Solve for x
    x = 52,294,946,346.93/255,615.37
  6. Step 6: Final answer
    x = 204,584.51

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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.