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Finding the Fourth Proportional to 121,663.37, 182,480.67 and 37,423.37

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Solution

The fourth proportional to 121,663.37, 182,480.67 and 37,423.37 is: 56,130.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,663.37 : 182,480.67 = 37,423.37 : x
  2. Step 2: Convert to fraction form
    121,663.37/182,480.67 = 37,423.37/x
  3. Step 3: Cross multiply
    121,663.37x = 182,480.67 × 37,423.37
  4. Step 4: Simplify right side
    121,663.37x = 6,829,040,718.85
  5. Step 5: Solve for x
    x = 6,829,040,718.85/121,663.37
  6. Step 6: Final answer
    x = 56,130.63

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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.