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Finding the Fourth Proportional to 214,950.60, 322,425.90 and 136,153.80

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Solution

The fourth proportional to 214,950.60, 322,425.90 and 136,153.80 is: 204,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,950.60 : 322,425.90 = 136,153.80 : x
  2. Step 2: Convert to fraction form
    214,950.60/322,425.90 = 136,153.80/x
  3. Step 3: Cross multiply
    214,950.60x = 322,425.90 × 136,153.80
  4. Step 4: Simplify right side
    214,950.60x = 43,899,511,503.42
  5. Step 5: Solve for x
    x = 43,899,511,503.42/214,950.60
  6. Step 6: Final answer
    x = 204,230.70

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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.