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Finding the Fourth Proportional to 283,593.11, 425,080.18 and 139,598.03

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Solution

The fourth proportional to 283,593.11, 425,080.18 and 139,598.03 is: 209,244.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,593.11 : 425,080.18 = 139,598.03 : x
  2. Step 2: Convert to fraction form
    283,593.11/425,080.18 = 139,598.03/x
  3. Step 3: Cross multiply
    283,593.11x = 425,080.18 × 139,598.03
  4. Step 4: Simplify right side
    283,593.11x = 59,340,357,448.02
  5. Step 5: Solve for x
    x = 59,340,357,448.02/283,593.11
  6. Step 6: Final answer
    x = 209,244.71

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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.