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Finding the Fourth Proportional to 93,843.83, 140,779.84 and 27,275.31

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Solution

The fourth proportional to 93,843.83, 140,779.84 and 27,275.31 is: 40,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,843.83 : 140,779.84 = 27,275.31 : x
  2. Step 2: Convert to fraction form
    93,843.83/140,779.84 = 27,275.31/x
  3. Step 3: Cross multiply
    93,843.83x = 140,779.84 × 27,275.31
  4. Step 4: Simplify right side
    93,843.83x = 3,839,813,335.99
  5. Step 5: Solve for x
    x = 3,839,813,335.99/93,843.83
  6. Step 6: Final answer
    x = 40,917.06

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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.