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Finding the Fourth Proportional to 116,987.97, 175,481.97 and 28,241.40

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Solution

The fourth proportional to 116,987.97, 175,481.97 and 28,241.40 is: 42,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,987.97 : 175,481.97 = 28,241.40 : x
  2. Step 2: Convert to fraction form
    116,987.97/175,481.97 = 28,241.40/x
  3. Step 3: Cross multiply
    116,987.97x = 175,481.97 × 28,241.40
  4. Step 4: Simplify right side
    116,987.97x = 4,955,856,507.56
  5. Step 5: Solve for x
    x = 4,955,856,507.56/116,987.97
  6. Step 6: Final answer
    x = 42,362.10

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1.5x scale

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.