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Finding the Fourth Proportional to 183,674.50, 275,511.76 and 72,866.50

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Solution

The fourth proportional to 183,674.50, 275,511.76 and 72,866.50 is: 109,299.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,674.50 : 275,511.76 = 72,866.50 : x
  2. Step 2: Convert to fraction form
    183,674.50/275,511.76 = 72,866.50/x
  3. Step 3: Cross multiply
    183,674.50x = 275,511.76 × 72,866.50
  4. Step 4: Simplify right side
    183,674.50x = 20,075,577,660.04
  5. Step 5: Solve for x
    x = 20,075,577,660.04/183,674.50
  6. Step 6: Final answer
    x = 109,299.75

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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.