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Finding the Fourth Proportional to 158,609.64, 237,768.75 and 68,596.05

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Solution

The fourth proportional to 158,609.64, 237,768.75 and 68,596.05 is: 102,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,609.64 : 237,768.75 = 68,596.05 : x
  2. Step 2: Convert to fraction form
    158,609.64/237,768.75 = 68,596.05/x
  3. Step 3: Cross multiply
    158,609.64x = 237,768.75 × 68,596.05
  4. Step 4: Simplify right side
    158,609.64x = 16,309,997,063.44
  5. Step 5: Solve for x
    x = 16,309,997,063.44/158,609.64
  6. Step 6: Final answer
    x = 102,831.06

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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.