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Finding the Fourth Proportional to 104,617, 156,994.62 and 49,217.32

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Solution

The fourth proportional to 104,617, 156,994.62 and 49,217.32 is: 73,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,617 : 156,994.62 = 49,217.32 : x
  2. Step 2: Convert to fraction form
    104,617/156,994.62 = 49,217.32/x
  3. Step 3: Cross multiply
    104,617x = 156,994.62 × 49,217.32
  4. Step 4: Simplify right side
    104,617x = 7,726,854,450.82
  5. Step 5: Solve for x
    x = 7,726,854,450.82/104,617
  6. Step 6: Final answer
    x = 73,858.50

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Why These Related Problems?

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