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Finding the Fourth Proportional to 182,855.20, 274,282.80 and 153,986.80

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Solution

The fourth proportional to 182,855.20, 274,282.80 and 153,986.80 is: 230,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,855.20 : 274,282.80 = 153,986.80 : x
  2. Step 2: Convert to fraction form
    182,855.20/274,282.80 = 153,986.80/x
  3. Step 3: Cross multiply
    182,855.20x = 274,282.80 × 153,986.80
  4. Step 4: Simplify right side
    182,855.20x = 42,235,930,667.04
  5. Step 5: Solve for x
    x = 42,235,930,667.04/182,855.20
  6. Step 6: Final answer
    x = 230,980.20

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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.