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Finding the Fourth Proportional to 119,737.98, 165,245.40 and 66,034.44

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Solution

The fourth proportional to 119,737.98, 165,245.40 and 66,034.44 is: 91,131.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,737.98 : 165,245.40 = 66,034.44 : x
  2. Step 2: Convert to fraction form
    119,737.98/165,245.40 = 66,034.44/x
  3. Step 3: Cross multiply
    119,737.98x = 165,245.40 × 66,034.44
  4. Step 4: Simplify right side
    119,737.98x = 10,911,887,451.58
  5. Step 5: Solve for x
    x = 10,911,887,451.58/119,737.98
  6. Step 6: Final answer
    x = 91,131.38

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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.