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Finding the Fourth Proportional to 208,911.44, 313,287.19 and 88,893.32

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Solution

The fourth proportional to 208,911.44, 313,287.19 and 88,893.32 is: 133,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,911.44 : 313,287.19 = 88,893.32 : x
  2. Step 2: Convert to fraction form
    208,911.44/313,287.19 = 88,893.32/x
  3. Step 3: Cross multiply
    208,911.44x = 313,287.19 × 88,893.32
  4. Step 4: Simplify right side
    208,911.44x = 27,849,136,421.67
  5. Step 5: Solve for x
    x = 27,849,136,421.67/208,911.44
  6. Step 6: Final answer
    x = 133,305.94

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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.