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Finding the Fourth Proportional to 169,893.70, 254,840.55 and 51,559.30

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Solution

The fourth proportional to 169,893.70, 254,840.55 and 51,559.30 is: 77,338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,893.70 : 254,840.55 = 51,559.30 : x
  2. Step 2: Convert to fraction form
    169,893.70/254,840.55 = 51,559.30/x
  3. Step 3: Cross multiply
    169,893.70x = 254,840.55 × 51,559.30
  4. Step 4: Simplify right side
    169,893.70x = 13,139,400,369.62
  5. Step 5: Solve for x
    x = 13,139,400,369.62/169,893.70
  6. Step 6: Final answer
    x = 77,338.95

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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.