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Finding the Fourth Proportional to 73,568.96, 110,401.91 and 40,312.37

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Solution

The fourth proportional to 73,568.96, 110,401.91 and 40,312.37 is: 60,495.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,568.96 : 110,401.91 = 40,312.37 : x
  2. Step 2: Convert to fraction form
    73,568.96/110,401.91 = 40,312.37/x
  3. Step 3: Cross multiply
    73,568.96x = 110,401.91 × 40,312.37
  4. Step 4: Simplify right side
    73,568.96x = 4,450,562,870.24
  5. Step 5: Solve for x
    x = 4,450,562,870.24/73,568.96
  6. Step 6: Final answer
    x = 60,495.12

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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.