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Finding the Fourth Proportional to 180,521.23, 270,874.05 and 120,590.68

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Solution

The fourth proportional to 180,521.23, 270,874.05 and 120,590.68 is: 180,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,521.23 : 270,874.05 = 120,590.68 : x
  2. Step 2: Convert to fraction form
    180,521.23/270,874.05 = 120,590.68/x
  3. Step 3: Cross multiply
    180,521.23x = 270,874.05 × 120,590.68
  4. Step 4: Simplify right side
    180,521.23x = 32,664,885,883.85
  5. Step 5: Solve for x
    x = 32,664,885,883.85/180,521.23
  6. Step 6: Final answer
    x = 180,947.61

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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.