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Finding the Fourth Proportional to 71,794.94, 99,075.44 and 41,581.58

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Solution

The fourth proportional to 71,794.94, 99,075.44 and 41,581.58 is: 57,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,794.94 : 99,075.44 = 41,581.58 : x
  2. Step 2: Convert to fraction form
    71,794.94/99,075.44 = 41,581.58/x
  3. Step 3: Cross multiply
    71,794.94x = 99,075.44 × 41,581.58
  4. Step 4: Simplify right side
    71,794.94x = 4,119,713,334.40
  5. Step 5: Solve for x
    x = 4,119,713,334.40/71,794.94
  6. Step 6: Final answer
    x = 57,381.67

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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.