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Finding the Fourth Proportional to 89,194.67, 133,811.67 and 26,019.72

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Solution

The fourth proportional to 89,194.67, 133,811.67 and 26,019.72 is: 39,035.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,194.67 : 133,811.67 = 26,019.72 : x
  2. Step 2: Convert to fraction form
    89,194.67/133,811.67 = 26,019.72/x
  3. Step 3: Cross multiply
    89,194.67x = 133,811.67 × 26,019.72
  4. Step 4: Simplify right side
    89,194.67x = 3,481,742,186.13
  5. Step 5: Solve for x
    x = 3,481,742,186.13/89,194.67
  6. Step 6: Final answer
    x = 39,035.32

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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.