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Finding the Fourth Proportional to 83,752.55, 125,601.80 and 27,579.30

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Solution

The fourth proportional to 83,752.55, 125,601.80 and 27,579.30 is: 41,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,752.55 : 125,601.80 = 27,579.30 : x
  2. Step 2: Convert to fraction form
    83,752.55/125,601.80 = 27,579.30/x
  3. Step 3: Cross multiply
    83,752.55x = 125,601.80 × 27,579.30
  4. Step 4: Simplify right side
    83,752.55x = 3,464,009,584.84
  5. Step 5: Solve for x
    x = 3,464,009,584.84/83,752.55
  6. Step 6: Final answer
    x = 41,360.05

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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.