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Finding the Fourth Proportional to 73,751.56, 101,748.28 and 45,408.04

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Solution

The fourth proportional to 73,751.56, 101,748.28 and 45,408.04 is: 62,645.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,751.56 : 101,748.28 = 45,408.04 : x
  2. Step 2: Convert to fraction form
    73,751.56/101,748.28 = 45,408.04/x
  3. Step 3: Cross multiply
    73,751.56x = 101,748.28 × 45,408.04
  4. Step 4: Simplify right side
    73,751.56x = 4,620,189,968.17
  5. Step 5: Solve for x
    x = 4,620,189,968.17/73,751.56
  6. Step 6: Final answer
    x = 62,645.32

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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.