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Finding the Fourth Proportional to 240,817.52, 361,243.56 and 83,043.68

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Solution

The fourth proportional to 240,817.52, 361,243.56 and 83,043.68 is: 124,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,817.52 : 361,243.56 = 83,043.68 : x
  2. Step 2: Convert to fraction form
    240,817.52/361,243.56 = 83,043.68/x
  3. Step 3: Cross multiply
    240,817.52x = 361,243.56 × 83,043.68
  4. Step 4: Simplify right side
    240,817.52x = 29,998,994,598.70
  5. Step 5: Solve for x
    x = 29,998,994,598.70/240,817.52
  6. Step 6: Final answer
    x = 124,571.48

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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.