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Finding the Fourth Proportional to 104,657.96, 156,986.70 and 25,773.32

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Solution

The fourth proportional to 104,657.96, 156,986.70 and 25,773.32 is: 38,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,657.96 : 156,986.70 = 25,773.32 : x
  2. Step 2: Convert to fraction form
    104,657.96/156,986.70 = 25,773.32/x
  3. Step 3: Cross multiply
    104,657.96x = 156,986.70 × 25,773.32
  4. Step 4: Simplify right side
    104,657.96x = 4,046,068,454.84
  5. Step 5: Solve for x
    x = 4,046,068,454.84/104,657.96
  6. Step 6: Final answer
    x = 38,659.92

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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.