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Finding the Fourth Proportional to 192,814.60, 288,930.30 and 163,071.40

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Solution

The fourth proportional to 192,814.60, 288,930.30 and 163,071.40 is: 244,360.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,814.60 : 288,930.30 = 163,071.40 : x
  2. Step 2: Convert to fraction form
    192,814.60/288,930.30 = 163,071.40/x
  3. Step 3: Cross multiply
    192,814.60x = 288,930.30 × 163,071.40
  4. Step 4: Simplify right side
    192,814.60x = 47,116,268,523.42
  5. Step 5: Solve for x
    x = 47,116,268,523.42/192,814.60
  6. Step 6: Final answer
    x = 244,360.48

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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.