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Finding the Fourth Proportional to 104,096.87, 143,654.01 and 56,350.11

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Solution

The fourth proportional to 104,096.87, 143,654.01 and 56,350.11 is: 77,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,096.87 : 143,654.01 = 56,350.11 : x
  2. Step 2: Convert to fraction form
    104,096.87/143,654.01 = 56,350.11/x
  3. Step 3: Cross multiply
    104,096.87x = 143,654.01 × 56,350.11
  4. Step 4: Simplify right side
    104,096.87x = 8,094,918,380.75
  5. Step 5: Solve for x
    x = 8,094,918,380.75/104,096.87
  6. Step 6: Final answer
    x = 77,763.32

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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.