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Finding the Fourth Proportional to 182,919.20, 274,378.80 and 163,090.40

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Solution

The fourth proportional to 182,919.20, 274,378.80 and 163,090.40 is: 244,635.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,919.20 : 274,378.80 = 163,090.40 : x
  2. Step 2: Convert to fraction form
    182,919.20/274,378.80 = 163,090.40/x
  3. Step 3: Cross multiply
    182,919.20x = 274,378.80 × 163,090.40
  4. Step 4: Simplify right side
    182,919.20x = 44,748,548,243.52
  5. Step 5: Solve for x
    x = 44,748,548,243.52/182,919.20
  6. Step 6: Final answer
    x = 244,635.60

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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.