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Finding the Fourth Proportional to 183,759.52, 275,654.40 and 78,579.40

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Solution

The fourth proportional to 183,759.52, 275,654.40 and 78,579.40 is: 117,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,759.52 : 275,654.40 = 78,579.40 : x
  2. Step 2: Convert to fraction form
    183,759.52/275,654.40 = 78,579.40/x
  3. Step 3: Cross multiply
    183,759.52x = 275,654.40 × 78,579.40
  4. Step 4: Simplify right side
    183,759.52x = 21,660,757,359.36
  5. Step 5: Solve for x
    x = 21,660,757,359.36/183,759.52
  6. Step 6: Final answer
    x = 117,875.57

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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.