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Finding the Fourth Proportional to 121,663.86, 182,481.42 and 37,423.86

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Solution

The fourth proportional to 121,663.86, 182,481.42 and 37,423.86 is: 56,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,663.86 : 182,481.42 = 37,423.86 : x
  2. Step 2: Convert to fraction form
    121,663.86/182,481.42 = 37,423.86/x
  3. Step 3: Cross multiply
    121,663.86x = 182,481.42 × 37,423.86
  4. Step 4: Simplify right side
    121,663.86x = 6,829,159,114.68
  5. Step 5: Solve for x
    x = 6,829,159,114.68/121,663.86
  6. Step 6: Final answer
    x = 56,131.37

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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.