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Finding the Fourth Proportional to 186,682.30, 280,023.45 and 164,520.70

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Solution

The fourth proportional to 186,682.30, 280,023.45 and 164,520.70 is: 246,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,682.30 : 280,023.45 = 164,520.70 : x
  2. Step 2: Convert to fraction form
    186,682.30/280,023.45 = 164,520.70/x
  3. Step 3: Cross multiply
    186,682.30x = 280,023.45 × 164,520.70
  4. Step 4: Simplify right side
    186,682.30x = 46,069,654,010.42
  5. Step 5: Solve for x
    x = 46,069,654,010.42/186,682.30
  6. Step 6: Final answer
    x = 246,781.05

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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.