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Finding the Fourth Proportional to 79,168.88, 118,759.08 and 26,577.92

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Solution

The fourth proportional to 79,168.88, 118,759.08 and 26,577.92 is: 39,868.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,168.88 : 118,759.08 = 26,577.92 : x
  2. Step 2: Convert to fraction form
    79,168.88/118,759.08 = 26,577.92/x
  3. Step 3: Cross multiply
    79,168.88x = 118,759.08 × 26,577.92
  4. Step 4: Simplify right side
    79,168.88x = 3,156,369,327.51
  5. Step 5: Solve for x
    x = 3,156,369,327.51/79,168.88
  6. Step 6: Final answer
    x = 39,868.81

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1.5x scale

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.