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Finding the Fourth Proportional to 227,484.45, 313,929.63 and 125,509.91

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Solution

The fourth proportional to 227,484.45, 313,929.63 and 125,509.91 is: 173,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,484.45 : 313,929.63 = 125,509.91 : x
  2. Step 2: Convert to fraction form
    227,484.45/313,929.63 = 125,509.91/x
  3. Step 3: Cross multiply
    227,484.45x = 313,929.63 × 125,509.91
  4. Step 4: Simplify right side
    227,484.45x = 39,401,278,037.99
  5. Step 5: Solve for x
    x = 39,401,278,037.99/227,484.45
  6. Step 6: Final answer
    x = 173,204.27

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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.