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Finding the Fourth Proportional to 79,218, 118,837.53 and 37,092.33

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Solution

The fourth proportional to 79,218, 118,837.53 and 37,092.33 is: 55,643.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,218 : 118,837.53 = 37,092.33 : x
  2. Step 2: Convert to fraction form
    79,218/118,837.53 = 37,092.33/x
  3. Step 3: Cross multiply
    79,218x = 118,837.53 × 37,092.33
  4. Step 4: Simplify right side
    79,218x = 4,407,960,879.14
  5. Step 5: Solve for x
    x = 4,407,960,879.14/79,218
  6. Step 6: Final answer
    x = 55,643.43

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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.