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Finding the Fourth Proportional to 72,941.67, 109,412.51 and 17,537.67

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Solution

The fourth proportional to 72,941.67, 109,412.51 and 17,537.67 is: 26,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,941.67 : 109,412.51 = 17,537.67 : x
  2. Step 2: Convert to fraction form
    72,941.67/109,412.51 = 17,537.67/x
  3. Step 3: Cross multiply
    72,941.67x = 109,412.51 × 17,537.67
  4. Step 4: Simplify right side
    72,941.67x = 1,918,840,406.56
  5. Step 5: Solve for x
    x = 1,918,840,406.56/72,941.67
  6. Step 6: Final answer
    x = 26,306.51

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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.