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Finding the Fourth Proportional to 72,343.67, 108,546.48 and 37,307.93

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Solution

The fourth proportional to 72,343.67, 108,546.48 and 37,307.93 is: 55,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,343.67 : 108,546.48 = 37,307.93 : x
  2. Step 2: Convert to fraction form
    72,343.67/108,546.48 = 37,307.93/x
  3. Step 3: Cross multiply
    72,343.67x = 108,546.48 × 37,307.93
  4. Step 4: Simplify right side
    72,343.67x = 4,049,643,934.85
  5. Step 5: Solve for x
    x = 4,049,643,934.85/72,343.67
  6. Step 6: Final answer
    x = 55,977.87

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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.