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Finding the Fourth Proportional to 89,857.93, 134,807.64 and 26,676.64

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Solution

The fourth proportional to 89,857.93, 134,807.64 and 26,676.64 is: 40,021.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,857.93 : 134,807.64 = 26,676.64 : x
  2. Step 2: Convert to fraction form
    89,857.93/134,807.64 = 26,676.64/x
  3. Step 3: Cross multiply
    89,857.93x = 134,807.64 × 26,676.64
  4. Step 4: Simplify right side
    89,857.93x = 3,596,215,100.06
  5. Step 5: Solve for x
    x = 3,596,215,100.06/89,857.93
  6. Step 6: Final answer
    x = 40,021.12

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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.