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Finding the Fourth Proportional to 104,170.60, 156,263.16 and 51,565.96

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Solution

The fourth proportional to 104,170.60, 156,263.16 and 51,565.96 is: 77,352.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,170.60 : 156,263.16 = 51,565.96 : x
  2. Step 2: Convert to fraction form
    104,170.60/156,263.16 = 51,565.96/x
  3. Step 3: Cross multiply
    104,170.60x = 156,263.16 × 51,565.96
  4. Step 4: Simplify right side
    104,170.60x = 8,057,859,858.03
  5. Step 5: Solve for x
    x = 8,057,859,858.03/104,170.60
  6. Step 6: Final answer
    x = 77,352.53

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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.