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Finding the Fourth Proportional to 104,051.99, 143,592.12 and 56,305.34

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Solution

The fourth proportional to 104,051.99, 143,592.12 and 56,305.34 is: 77,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,051.99 : 143,592.12 = 56,305.34 : x
  2. Step 2: Convert to fraction form
    104,051.99/143,592.12 = 56,305.34/x
  3. Step 3: Cross multiply
    104,051.99x = 143,592.12 × 56,305.34
  4. Step 4: Simplify right side
    104,051.99x = 8,085,003,137.92
  5. Step 5: Solve for x
    x = 8,085,003,137.92/104,051.99
  6. Step 6: Final answer
    x = 77,701.57

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