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Finding the Fourth Proportional to 242,325.37, 363,462.12 and 84,556.81

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Solution

The fourth proportional to 242,325.37, 363,462.12 and 84,556.81 is: 126,826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,325.37 : 363,462.12 = 84,556.81 : x
  2. Step 2: Convert to fraction form
    242,325.37/363,462.12 = 84,556.81/x
  3. Step 3: Cross multiply
    242,325.37x = 363,462.12 × 84,556.81
  4. Step 4: Simplify right side
    242,325.37x = 30,733,197,423.04
  5. Step 5: Solve for x
    x = 30,733,197,423.04/242,325.37
  6. Step 6: Final answer
    x = 126,826.17

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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.