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Finding the Fourth Proportional to 224,075.80, 336,048.90 and 81,904.60

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Solution

The fourth proportional to 224,075.80, 336,048.90 and 81,904.60 is: 122,833.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,075.80 : 336,048.90 = 81,904.60 : x
  2. Step 2: Convert to fraction form
    224,075.80/336,048.90 = 81,904.60/x
  3. Step 3: Cross multiply
    224,075.80x = 336,048.90 × 81,904.60
  4. Step 4: Simplify right side
    224,075.80x = 27,523,950,734.94
  5. Step 5: Solve for x
    x = 27,523,950,734.94/224,075.80
  6. Step 6: Final answer
    x = 122,833.21

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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.