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Finding the Fourth Proportional to 104,228.42, 143,835.35 and 56,481.35

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Solution

The fourth proportional to 104,228.42, 143,835.35 and 56,481.35 is: 77,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,228.42 : 143,835.35 = 56,481.35 : x
  2. Step 2: Convert to fraction form
    104,228.42/143,835.35 = 56,481.35/x
  3. Step 3: Cross multiply
    104,228.42x = 143,835.35 × 56,481.35
  4. Step 4: Simplify right side
    104,228.42x = 8,124,013,744.14
  5. Step 5: Solve for x
    x = 8,124,013,744.14/104,228.42
  6. Step 6: Final answer
    x = 77,944.33

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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.