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Finding the Fourth Proportional to 376,005.84, 564,006.60 and 91,692.96

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Solution

The fourth proportional to 376,005.84, 564,006.60 and 91,692.96 is: 137,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,005.84 : 564,006.60 = 91,692.96 : x
  2. Step 2: Convert to fraction form
    376,005.84/564,006.60 = 91,692.96/x
  3. Step 3: Cross multiply
    376,005.84x = 564,006.60 × 91,692.96
  4. Step 4: Simplify right side
    376,005.84x = 51,715,434,613.54
  5. Step 5: Solve for x
    x = 51,715,434,613.54/376,005.84
  6. Step 6: Final answer
    x = 137,538.91

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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.