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Finding the Fourth Proportional to 212,671.63, 293,493.50 and 122,044.17

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Solution

The fourth proportional to 212,671.63, 293,493.50 and 122,044.17 is: 168,424.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,671.63 : 293,493.50 = 122,044.17 : x
  2. Step 2: Convert to fraction form
    212,671.63/293,493.50 = 122,044.17/x
  3. Step 3: Cross multiply
    212,671.63x = 293,493.50 × 122,044.17
  4. Step 4: Simplify right side
    212,671.63x = 35,819,171,212.69
  5. Step 5: Solve for x
    x = 35,819,171,212.69/212,671.63
  6. Step 6: Final answer
    x = 168,424.77

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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.