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Finding the Fourth Proportional to 89,675.70, 134,531.25 and 26,496.93

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Solution

The fourth proportional to 89,675.70, 134,531.25 and 26,496.93 is: 39,750.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,675.70 : 134,531.25 = 26,496.93 : x
  2. Step 2: Convert to fraction form
    89,675.70/134,531.25 = 26,496.93/x
  3. Step 3: Cross multiply
    89,675.70x = 134,531.25 × 26,496.93
  4. Step 4: Simplify right side
    89,675.70x = 3,564,665,114.06
  5. Step 5: Solve for x
    x = 3,564,665,114.06/89,675.70
  6. Step 6: Final answer
    x = 39,750.62

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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.