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Finding the Fourth Proportional to 79,219.57, 118,832.93 and 25,914.59

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Solution

The fourth proportional to 79,219.57, 118,832.93 and 25,914.59 is: 38,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,219.57 : 118,832.93 = 25,914.59 : x
  2. Step 2: Convert to fraction form
    79,219.57/118,832.93 = 25,914.59/x
  3. Step 3: Cross multiply
    79,219.57x = 118,832.93 × 25,914.59
  4. Step 4: Simplify right side
    79,219.57x = 3,079,506,659.45
  5. Step 5: Solve for x
    x = 3,079,506,659.45/79,219.57
  6. Step 6: Final answer
    x = 38,873.05

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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.