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Finding the Fourth Proportional to 104,692.51, 144,474.19 and 56,944.77

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Solution

The fourth proportional to 104,692.51, 144,474.19 and 56,944.77 is: 78,582.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,692.51 : 144,474.19 = 56,944.77 : x
  2. Step 2: Convert to fraction form
    104,692.51/144,474.19 = 56,944.77/x
  3. Step 3: Cross multiply
    104,692.51x = 144,474.19 × 56,944.77
  4. Step 4: Simplify right side
    104,692.51x = 8,227,049,520.49
  5. Step 5: Solve for x
    x = 8,227,049,520.49/104,692.51
  6. Step 6: Final answer
    x = 78,582.98

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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.