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Finding the Fourth Proportional to 89,761.56, 134,600.95 and 26,559.08

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Solution

The fourth proportional to 89,761.56, 134,600.95 and 26,559.08 is: 39,826.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,761.56 : 134,600.95 = 26,559.08 : x
  2. Step 2: Convert to fraction form
    89,761.56/134,600.95 = 26,559.08/x
  3. Step 3: Cross multiply
    89,761.56x = 134,600.95 × 26,559.08
  4. Step 4: Simplify right side
    89,761.56x = 3,574,877,399.13
  5. Step 5: Solve for x
    x = 3,574,877,399.13/89,761.56
  6. Step 6: Final answer
    x = 39,826.37

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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.