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Finding the Fourth Proportional to 169,733.20, 254,567.40 and 51,408.40

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Solution

The fourth proportional to 169,733.20, 254,567.40 and 51,408.40 is: 77,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,733.20 : 254,567.40 = 51,408.40 : x
  2. Step 2: Convert to fraction form
    169,733.20/254,567.40 = 51,408.40/x
  3. Step 3: Cross multiply
    169,733.20x = 254,567.40 × 51,408.40
  4. Step 4: Simplify right side
    169,733.20x = 13,086,902,726.16
  5. Step 5: Solve for x
    x = 13,086,902,726.16/169,733.20
  6. Step 6: Final answer
    x = 77,102.79

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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.