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Finding the Fourth Proportional to 141,736, 212,630.14 and 58,636.48

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Solution

The fourth proportional to 141,736, 212,630.14 and 58,636.48 is: 87,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,736 : 212,630.14 = 58,636.48 : x
  2. Step 2: Convert to fraction form
    141,736/212,630.14 = 58,636.48/x
  3. Step 3: Cross multiply
    141,736x = 212,630.14 × 58,636.48
  4. Step 4: Simplify right side
    141,736x = 12,467,882,951.51
  5. Step 5: Solve for x
    x = 12,467,882,951.51/141,736
  6. Step 6: Final answer
    x = 87,965.53

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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.