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Finding the Fourth Proportional to 89,957.87, 134,913.25 and 26,760.98

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Solution

The fourth proportional to 89,957.87, 134,913.25 and 26,760.98 is: 40,134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,957.87 : 134,913.25 = 26,760.98 : x
  2. Step 2: Convert to fraction form
    89,957.87/134,913.25 = 26,760.98/x
  3. Step 3: Cross multiply
    89,957.87x = 134,913.25 × 26,760.98
  4. Step 4: Simplify right side
    89,957.87x = 3,610,410,784.99
  5. Step 5: Solve for x
    x = 3,610,410,784.99/89,957.87
  6. Step 6: Final answer
    x = 40,134.46

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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.