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Finding the Fourth Proportional to 73,860.64, 110,849.10 and 27,126.88

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Solution

The fourth proportional to 73,860.64, 110,849.10 and 27,126.88 is: 40,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,860.64 : 110,849.10 = 27,126.88 : x
  2. Step 2: Convert to fraction form
    73,860.64/110,849.10 = 27,126.88/x
  3. Step 3: Cross multiply
    73,860.64x = 110,849.10 × 27,126.88
  4. Step 4: Simplify right side
    73,860.64x = 3,006,990,233.81
  5. Step 5: Solve for x
    x = 3,006,990,233.81/73,860.64
  6. Step 6: Final answer
    x = 40,711.67

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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.