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Finding the Fourth Proportional to 283,816.68, 425,748.96 and 73,458.60

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Solution

The fourth proportional to 283,816.68, 425,748.96 and 73,458.60 is: 110,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,816.68 : 425,748.96 = 73,458.60 : x
  2. Step 2: Convert to fraction form
    283,816.68/425,748.96 = 73,458.60/x
  3. Step 3: Cross multiply
    283,816.68x = 425,748.96 × 73,458.60
  4. Step 4: Simplify right side
    283,816.68x = 31,274,922,553.06
  5. Step 5: Solve for x
    x = 31,274,922,553.06/283,816.68
  6. Step 6: Final answer
    x = 110,194.10

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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.