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Finding the Fourth Proportional to 113,034, 169,551 and 39,162

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Solution

The fourth proportional to 113,034, 169,551 and 39,162 is: 58,743

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,034 : 169,551 = 39,162 : x
  2. Step 2: Convert to fraction form
    113,034/169,551 = 39,162/x
  3. Step 3: Cross multiply
    113,034x = 169,551 × 39,162
  4. Step 4: Simplify right side
    113,034x = 6,639,956,262
  5. Step 5: Solve for x
    x = 6,639,956,262/113,034
  6. Step 6: Final answer
    x = 58,743

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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.