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Finding the Fourth Proportional to 193,894.80, 290,842.20 and 192,051.60

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Solution

The fourth proportional to 193,894.80, 290,842.20 and 192,051.60 is: 288,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,894.80 : 290,842.20 = 192,051.60 : x
  2. Step 2: Convert to fraction form
    193,894.80/290,842.20 = 192,051.60/x
  3. Step 3: Cross multiply
    193,894.80x = 290,842.20 × 192,051.60
  4. Step 4: Simplify right side
    193,894.80x = 55,856,709,857.52
  5. Step 5: Solve for x
    x = 55,856,709,857.52/193,894.80
  6. Step 6: Final answer
    x = 288,077.40

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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.