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Finding the Fourth Proportional to 293,926, 405,620.76 and 159,792.88

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Solution

The fourth proportional to 293,926, 405,620.76 and 159,792.88 is: 220,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,926 : 405,620.76 = 159,792.88 : x
  2. Step 2: Convert to fraction form
    293,926/405,620.76 = 159,792.88/x
  3. Step 3: Cross multiply
    293,926x = 405,620.76 × 159,792.88
  4. Step 4: Simplify right side
    293,926x = 64,815,309,428.19
  5. Step 5: Solve for x
    x = 64,815,309,428.19/293,926
  6. Step 6: Final answer
    x = 220,515.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.