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Finding the Fourth Proportional to 234,458.68, 351,688.46 and 56,965.84

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Solution

The fourth proportional to 234,458.68, 351,688.46 and 56,965.84 is: 85,448.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,458.68 : 351,688.46 = 56,965.84 : x
  2. Step 2: Convert to fraction form
    234,458.68/351,688.46 = 56,965.84/x
  3. Step 3: Cross multiply
    234,458.68x = 351,688.46 × 56,965.84
  4. Step 4: Simplify right side
    234,458.68x = 20,034,228,542.21
  5. Step 5: Solve for x
    x = 20,034,228,542.21/234,458.68
  6. Step 6: Final answer
    x = 85,448.87

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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.