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Finding the Fourth Proportional to 104,616, 156,994.56 and 38,952

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Solution

The fourth proportional to 104,616, 156,994.56 and 38,952 is: 58,454.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,616 : 156,994.56 = 38,952 : x
  2. Step 2: Convert to fraction form
    104,616/156,994.56 = 38,952/x
  3. Step 3: Cross multiply
    104,616x = 156,994.56 × 38,952
  4. Step 4: Simplify right side
    104,616x = 6,115,252,101.12
  5. Step 5: Solve for x
    x = 6,115,252,101.12/104,616
  6. Step 6: Final answer
    x = 58,454.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.