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Finding the Fourth Proportional to 96,662, 133,416.60 and 58,967.84

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Solution

The fourth proportional to 96,662, 133,416.60 and 58,967.84 is: 81,389.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,662 : 133,416.60 = 58,967.84 : x
  2. Step 2: Convert to fraction form
    96,662/133,416.60 = 58,967.84/x
  3. Step 3: Cross multiply
    96,662x = 133,416.60 × 58,967.84
  4. Step 4: Simplify right side
    96,662x = 7,867,288,722.14
  5. Step 5: Solve for x
    x = 7,867,288,722.14/96,662
  6. Step 6: Final answer
    x = 81,389.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.