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Finding the Fourth Proportional to 104,592.62, 144,337.84 and 56,845.98

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Solution

The fourth proportional to 104,592.62, 144,337.84 and 56,845.98 is: 78,447.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,592.62 : 144,337.84 = 56,845.98 : x
  2. Step 2: Convert to fraction form
    104,592.62/144,337.84 = 56,845.98/x
  3. Step 3: Cross multiply
    104,592.62x = 144,337.84 × 56,845.98
  4. Step 4: Simplify right side
    104,592.62x = 8,205,025,965.88
  5. Step 5: Solve for x
    x = 8,205,025,965.88/104,592.62
  6. Step 6: Final answer
    x = 78,447.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.