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Finding the Fourth Proportional to 68,604.80, 102,907.20 and 33,526.40

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Solution

The fourth proportional to 68,604.80, 102,907.20 and 33,526.40 is: 50,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,604.80 : 102,907.20 = 33,526.40 : x
  2. Step 2: Convert to fraction form
    68,604.80/102,907.20 = 33,526.40/x
  3. Step 3: Cross multiply
    68,604.80x = 102,907.20 × 33,526.40
  4. Step 4: Simplify right side
    68,604.80x = 3,450,107,950.08
  5. Step 5: Solve for x
    x = 3,450,107,950.08/68,604.80
  6. Step 6: Final answer
    x = 50,289.60

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1.5x scale

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.