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Finding the Fourth Proportional to 275,702.61, 413,609.27 and 125,902.67

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Solution

The fourth proportional to 275,702.61, 413,609.27 and 125,902.67 is: 188,879.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,702.61 : 413,609.27 = 125,902.67 : x
  2. Step 2: Convert to fraction form
    275,702.61/413,609.27 = 125,902.67/x
  3. Step 3: Cross multiply
    275,702.61x = 413,609.27 × 125,902.67
  4. Step 4: Simplify right side
    275,702.61x = 52,074,511,834.26
  5. Step 5: Solve for x
    x = 52,074,511,834.26/275,702.61
  6. Step 6: Final answer
    x = 188,879.28

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1.5x scale

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.