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Finding the Fourth Proportional to 122,357.52, 183,515.58 and 33,590.43

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Solution

The fourth proportional to 122,357.52, 183,515.58 and 33,590.43 is: 50,379.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,357.52 : 183,515.58 = 33,590.43 : x
  2. Step 2: Convert to fraction form
    122,357.52/183,515.58 = 33,590.43/x
  3. Step 3: Cross multiply
    122,357.52x = 183,515.58 × 33,590.43
  4. Step 4: Simplify right side
    122,357.52x = 6,164,367,243.90
  5. Step 5: Solve for x
    x = 6,164,367,243.90/122,357.52
  6. Step 6: Final answer
    x = 50,379.96

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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.