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Finding the Fourth Proportional to 255,615.98, 352,708.56 and 148,165.02

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Solution

The fourth proportional to 255,615.98, 352,708.56 and 148,165.02 is: 204,443.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,615.98 : 352,708.56 = 148,165.02 : x
  2. Step 2: Convert to fraction form
    255,615.98/352,708.56 = 148,165.02/x
  3. Step 3: Cross multiply
    255,615.98x = 352,708.56 × 148,165.02
  4. Step 4: Simplify right side
    255,615.98x = 52,259,070,846.57
  5. Step 5: Solve for x
    x = 52,259,070,846.57/255,615.98
  6. Step 6: Final answer
    x = 204,443.68

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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.