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Finding the Fourth Proportional to 92,579.60, 127,759.92 and 52,293.44

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Solution

The fourth proportional to 92,579.60, 127,759.92 and 52,293.44 is: 72,164.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,579.60 : 127,759.92 = 52,293.44 : x
  2. Step 2: Convert to fraction form
    92,579.60/127,759.92 = 52,293.44/x
  3. Step 3: Cross multiply
    92,579.60x = 127,759.92 × 52,293.44
  4. Step 4: Simplify right side
    92,579.60x = 6,681,005,710.92
  5. Step 5: Solve for x
    x = 6,681,005,710.92/92,579.60
  6. Step 6: Final answer
    x = 72,164.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.