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Finding the Fourth Proportional to 355,453.98, 533,169.90 and 118,798.62

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Solution

The fourth proportional to 355,453.98, 533,169.90 and 118,798.62 is: 178,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,453.98 : 533,169.90 = 118,798.62 : x
  2. Step 2: Convert to fraction form
    355,453.98/533,169.90 = 118,798.62/x
  3. Step 3: Cross multiply
    355,453.98x = 533,169.90 × 118,798.62
  4. Step 4: Simplify right side
    355,453.98x = 63,339,848,345.54
  5. Step 5: Solve for x
    x = 63,339,848,345.54/355,453.98
  6. Step 6: Final answer
    x = 178,194.23

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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.