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Finding the Fourth Proportional to 243,744.20, 365,468.64 and 159,402.56

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Solution

The fourth proportional to 243,744.20, 365,468.64 and 159,402.56 is: 239,007.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,744.20 : 365,468.64 = 159,402.56 : x
  2. Step 2: Convert to fraction form
    243,744.20/365,468.64 = 159,402.56/x
  3. Step 3: Cross multiply
    243,744.20x = 365,468.64 × 159,402.56
  4. Step 4: Simplify right side
    243,744.20x = 58,256,636,815.72
  5. Step 5: Solve for x
    x = 58,256,636,815.72/243,744.20
  6. Step 6: Final answer
    x = 239,007.27

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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.