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Finding the Fourth Proportional to 215,358, 323,049.96 and 67,614

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Solution

The fourth proportional to 215,358, 323,049.96 and 67,614 is: 101,425.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,358 : 323,049.96 = 67,614 : x
  2. Step 2: Convert to fraction form
    215,358/323,049.96 = 67,614/x
  3. Step 3: Cross multiply
    215,358x = 323,049.96 × 67,614
  4. Step 4: Simplify right side
    215,358x = 21,842,699,995.44
  5. Step 5: Solve for x
    x = 21,842,699,995.44/215,358
  6. Step 6: Final answer
    x = 101,425.07

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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.