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Finding the Fourth Proportional to 164,489.52, 246,809.40 and 89,497.20

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Solution

The fourth proportional to 164,489.52, 246,809.40 and 89,497.20 is: 134,286.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,489.52 : 246,809.40 = 89,497.20 : x
  2. Step 2: Convert to fraction form
    164,489.52/246,809.40 = 89,497.20/x
  3. Step 3: Cross multiply
    164,489.52x = 246,809.40 × 89,497.20
  4. Step 4: Simplify right side
    164,489.52x = 22,088,750,233.68
  5. Step 5: Solve for x
    x = 22,088,750,233.68/164,489.52
  6. Step 6: Final answer
    x = 134,286.67

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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.