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Finding the Fourth Proportional to 219,888.59, 303,446.82 and 119,286.59

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Solution

The fourth proportional to 219,888.59, 303,446.82 and 119,286.59 is: 164,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,888.59 : 303,446.82 = 119,286.59 : x
  2. Step 2: Convert to fraction form
    219,888.59/303,446.82 = 119,286.59/x
  3. Step 3: Cross multiply
    219,888.59x = 303,446.82 × 119,286.59
  4. Step 4: Simplify right side
    219,888.59x = 36,197,136,404.14
  5. Step 5: Solve for x
    x = 36,197,136,404.14/219,888.59
  6. Step 6: Final answer
    x = 164,615.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.