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Finding the Fourth Proportional to 73,556.95, 110,302.60 and 20,954.14

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Solution

The fourth proportional to 73,556.95, 110,302.60 and 20,954.14 is: 31,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,556.95 : 110,302.60 = 20,954.14 : x
  2. Step 2: Convert to fraction form
    73,556.95/110,302.60 = 20,954.14/x
  3. Step 3: Cross multiply
    73,556.95x = 110,302.60 × 20,954.14
  4. Step 4: Simplify right side
    73,556.95x = 2,311,295,726.89
  5. Step 5: Solve for x
    x = 2,311,295,726.89/73,556.95
  6. Step 6: Final answer
    x = 31,421.85

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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.