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Finding the Fourth Proportional to 93,619.80, 140,411.88 and 27,043.20

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Solution

The fourth proportional to 93,619.80, 140,411.88 and 27,043.20 is: 40,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,619.80 : 140,411.88 = 27,043.20 : x
  2. Step 2: Convert to fraction form
    93,619.80/140,411.88 = 27,043.20/x
  3. Step 3: Cross multiply
    93,619.80x = 140,411.88 × 27,043.20
  4. Step 4: Simplify right side
    93,619.80x = 3,797,186,553.22
  5. Step 5: Solve for x
    x = 3,797,186,553.22/93,619.80
  6. Step 6: Final answer
    x = 40,559.65

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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.