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Finding the Fourth Proportional to 144,383.33, 216,611.90 and 55,613

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Solution

The fourth proportional to 144,383.33, 216,611.90 and 55,613 is: 83,433.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,383.33 : 216,611.90 = 55,613 : x
  2. Step 2: Convert to fraction form
    144,383.33/216,611.90 = 55,613/x
  3. Step 3: Cross multiply
    144,383.33x = 216,611.90 × 55,613
  4. Step 4: Simplify right side
    144,383.33x = 12,046,437,594.70
  5. Step 5: Solve for x
    x = 12,046,437,594.70/144,383.33
  6. Step 6: Final answer
    x = 83,433.71

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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.