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Finding the Fourth Proportional to 479,950.96, 719,847.64 and 160,105.29

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Solution

The fourth proportional to 479,950.96, 719,847.64 and 160,105.29 is: 240,131.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,950.96 : 719,847.64 = 160,105.29 : x
  2. Step 2: Convert to fraction form
    479,950.96/719,847.64 = 160,105.29/x
  3. Step 3: Cross multiply
    479,950.96x = 719,847.64 × 160,105.29
  4. Step 4: Simplify right side
    479,950.96x = 115,251,415,158.02
  5. Step 5: Solve for x
    x = 115,251,415,158.02/479,950.96
  6. Step 6: Final answer
    x = 240,131.65

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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.