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Finding the Fourth Proportional to 89,901.58, 134,805.45 and 26,713

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Solution

The fourth proportional to 89,901.58, 134,805.45 and 26,713 is: 40,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,901.58 : 134,805.45 = 26,713 : x
  2. Step 2: Convert to fraction form
    89,901.58/134,805.45 = 26,713/x
  3. Step 3: Cross multiply
    89,901.58x = 134,805.45 × 26,713
  4. Step 4: Simplify right side
    89,901.58x = 3,601,057,985.85
  5. Step 5: Solve for x
    x = 3,601,057,985.85/89,901.58
  6. Step 6: Final answer
    x = 40,055.56

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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.