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Finding the Fourth Proportional to 119,420.87, 179,075.95 and 44,520.91

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Solution

The fourth proportional to 119,420.87, 179,075.95 and 44,520.91 is: 66,760.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,420.87 : 179,075.95 = 44,520.91 : x
  2. Step 2: Convert to fraction form
    119,420.87/179,075.95 = 44,520.91/x
  3. Step 3: Cross multiply
    119,420.87x = 179,075.95 × 44,520.91
  4. Step 4: Simplify right side
    119,420.87x = 7,972,623,694.12
  5. Step 5: Solve for x
    x = 7,972,623,694.12/119,420.87
  6. Step 6: Final answer
    x = 66,760.73

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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.