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Finding the Fourth Proportional to 185,909.80, 279,447.90 and 182,410.60

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Solution

The fourth proportional to 185,909.80, 279,447.90 and 182,410.60 is: 274,188.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,909.80 : 279,447.90 = 182,410.60 : x
  2. Step 2: Convert to fraction form
    185,909.80/279,447.90 = 182,410.60/x
  3. Step 3: Cross multiply
    185,909.80x = 279,447.90 × 182,410.60
  4. Step 4: Simplify right side
    185,909.80x = 50,974,259,107.74
  5. Step 5: Solve for x
    x = 50,974,259,107.74/185,909.80
  6. Step 6: Final answer
    x = 274,188.12

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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.