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Finding the Fourth Proportional to 283,203.81, 424,744.09 and 93,619.39

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Solution

The fourth proportional to 283,203.81, 424,744.09 and 93,619.39 is: 140,408.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,203.81 : 424,744.09 = 93,619.39 : x
  2. Step 2: Convert to fraction form
    283,203.81/424,744.09 = 93,619.39/x
  3. Step 3: Cross multiply
    283,203.81x = 424,744.09 × 93,619.39
  4. Step 4: Simplify right side
    283,203.81x = 39,764,281,316.00
  5. Step 5: Solve for x
    x = 39,764,281,316.00/283,203.81
  6. Step 6: Final answer
    x = 140,408.71

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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.