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Finding the Fourth Proportional to 219,150.46, 328,476.77 and 92,711.79

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Solution

The fourth proportional to 219,150.46, 328,476.77 and 92,711.79 is: 138,962.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,150.46 : 328,476.77 = 92,711.79 : x
  2. Step 2: Convert to fraction form
    219,150.46/328,476.77 = 92,711.79/x
  3. Step 3: Cross multiply
    219,150.46x = 328,476.77 × 92,711.79
  4. Step 4: Simplify right side
    219,150.46x = 30,453,669,204.23
  5. Step 5: Solve for x
    x = 30,453,669,204.23/219,150.46
  6. Step 6: Final answer
    x = 138,962.38

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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.