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Finding the Fourth Proportional to 73,310.88, 101,168.95 and 39,776.88

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Solution

The fourth proportional to 73,310.88, 101,168.95 and 39,776.88 is: 54,892.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,310.88 : 101,168.95 = 39,776.88 : x
  2. Step 2: Convert to fraction form
    73,310.88/101,168.95 = 39,776.88/x
  3. Step 3: Cross multiply
    73,310.88x = 101,168.95 × 39,776.88
  4. Step 4: Simplify right side
    73,310.88x = 4,024,184,984.99
  5. Step 5: Solve for x
    x = 4,024,184,984.99/73,310.88
  6. Step 6: Final answer
    x = 54,892.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.