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Finding the Fourth Proportional to 113,156, 169,734 and 39,284

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Solution

The fourth proportional to 113,156, 169,734 and 39,284 is: 58,926

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,156 : 169,734 = 39,284 : x
  2. Step 2: Convert to fraction form
    113,156/169,734 = 39,284/x
  3. Step 3: Cross multiply
    113,156x = 169,734 × 39,284
  4. Step 4: Simplify right side
    113,156x = 6,667,830,456
  5. Step 5: Solve for x
    x = 6,667,830,456/113,156
  6. Step 6: Final answer
    x = 58,926

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.