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Finding the Fourth Proportional to 89,000.77, 133,593.44 and 59,623.90

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Solution

The fourth proportional to 89,000.77, 133,593.44 and 59,623.90 is: 89,497.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,000.77 : 133,593.44 = 59,623.90 : x
  2. Step 2: Convert to fraction form
    89,000.77/133,593.44 = 59,623.90/x
  3. Step 3: Cross multiply
    89,000.77x = 133,593.44 × 59,623.90
  4. Step 4: Simplify right side
    89,000.77x = 7,965,361,907.22
  5. Step 5: Solve for x
    x = 7,965,361,907.22/89,000.77
  6. Step 6: Final answer
    x = 89,497.67

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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.