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Finding the Fourth Proportional to 133,299, 199,955.79 and 39,812.04

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Solution

The fourth proportional to 133,299, 199,955.79 and 39,812.04 is: 59,720.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,299 : 199,955.79 = 39,812.04 : x
  2. Step 2: Convert to fraction form
    133,299/199,955.79 = 39,812.04/x
  3. Step 3: Cross multiply
    133,299x = 199,955.79 × 39,812.04
  4. Step 4: Simplify right side
    133,299x = 7,960,647,909.71
  5. Step 5: Solve for x
    x = 7,960,647,909.71/133,299
  6. Step 6: Final answer
    x = 59,720.24

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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.