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Finding the Fourth Proportional to 104,314.58, 143,954.20 and 56,567.91

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Solution

The fourth proportional to 104,314.58, 143,954.20 and 56,567.91 is: 78,063.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,314.58 : 143,954.20 = 56,567.91 : x
  2. Step 2: Convert to fraction form
    104,314.58/143,954.20 = 56,567.91/x
  3. Step 3: Cross multiply
    104,314.58x = 143,954.20 × 56,567.91
  4. Step 4: Simplify right side
    104,314.58x = 8,143,188,628.13
  5. Step 5: Solve for x
    x = 8,143,188,628.13/104,314.58
  6. Step 6: Final answer
    x = 78,063.76

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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.