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Finding the Fourth Proportional to 667,384.87, 1,001,068.86 and 161,950

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Solution

The fourth proportional to 667,384.87, 1,001,068.86 and 161,950 is: 242,922.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,384.87 : 1,001,068.86 = 161,950 : x
  2. Step 2: Convert to fraction form
    667,384.87/1,001,068.86 = 161,950/x
  3. Step 3: Cross multiply
    667,384.87x = 1,001,068.86 × 161,950
  4. Step 4: Simplify right side
    667,384.87x = 162,123,101,877
  5. Step 5: Solve for x
    x = 162,123,101,877/667,384.87
  6. Step 6: Final answer
    x = 242,922.95

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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.