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Finding the Fourth Proportional to 294,702.85, 441,682.57 and 126,023.77

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Solution

The fourth proportional to 294,702.85, 441,682.57 and 126,023.77 is: 188,876.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,702.85 : 441,682.57 = 126,023.77 : x
  2. Step 2: Convert to fraction form
    294,702.85/441,682.57 = 126,023.77/x
  3. Step 3: Cross multiply
    294,702.85x = 441,682.57 × 126,023.77
  4. Step 4: Simplify right side
    294,702.85x = 55,662,502,614.69
  5. Step 5: Solve for x
    x = 55,662,502,614.69/294,702.85
  6. Step 6: Final answer
    x = 188,876.70

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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.