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Finding the Fourth Proportional to 376,089.58, 564,217.41 and 139,432.27

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Solution

The fourth proportional to 376,089.58, 564,217.41 and 139,432.27 is: 209,179.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,089.58 : 564,217.41 = 139,432.27 : x
  2. Step 2: Convert to fraction form
    376,089.58/564,217.41 = 139,432.27/x
  3. Step 3: Cross multiply
    376,089.58x = 564,217.41 × 139,432.27
  4. Step 4: Simplify right side
    376,089.58x = 78,670,114,249.82
  5. Step 5: Solve for x
    x = 78,670,114,249.82/376,089.58
  6. Step 6: Final answer
    x = 209,179.19

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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.