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Finding the Fourth Proportional to 307,124.40, 423,846.12 and 179,841

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Solution

The fourth proportional to 307,124.40, 423,846.12 and 179,841 is: 248,189.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,124.40 : 423,846.12 = 179,841 : x
  2. Step 2: Convert to fraction form
    307,124.40/423,846.12 = 179,841/x
  3. Step 3: Cross multiply
    307,124.40x = 423,846.12 × 179,841
  4. Step 4: Simplify right side
    307,124.40x = 76,224,910,066.92
  5. Step 5: Solve for x
    x = 76,224,910,066.92/307,124.40
  6. Step 6: Final answer
    x = 248,189.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.