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Finding the Fourth Proportional to 157,794.32, 236,817.02 and 82,958.42

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Solution

The fourth proportional to 157,794.32, 236,817.02 and 82,958.42 is: 124,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,794.32 : 236,817.02 = 82,958.42 : x
  2. Step 2: Convert to fraction form
    157,794.32/236,817.02 = 82,958.42/x
  3. Step 3: Cross multiply
    157,794.32x = 236,817.02 × 82,958.42
  4. Step 4: Simplify right side
    157,794.32x = 19,645,964,831.62
  5. Step 5: Solve for x
    x = 19,645,964,831.62/157,794.32
  6. Step 6: Final answer
    x = 124,503.63

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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.