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Finding the Fourth Proportional to 104,265.81, 143,887.73 and 56,519.96

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Solution

The fourth proportional to 104,265.81, 143,887.73 and 56,519.96 is: 77,998.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,265.81 : 143,887.73 = 56,519.96 : x
  2. Step 2: Convert to fraction form
    104,265.81/143,887.73 = 56,519.96/x
  3. Step 3: Cross multiply
    104,265.81x = 143,887.73 × 56,519.96
  4. Step 4: Simplify right side
    104,265.81x = 8,132,527,742.05
  5. Step 5: Solve for x
    x = 8,132,527,742.05/104,265.81
  6. Step 6: Final answer
    x = 77,998.03

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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.