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Finding the Fourth Proportional to 79,245.60, 118,864.08 and 26,649.60

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Solution

The fourth proportional to 79,245.60, 118,864.08 and 26,649.60 is: 39,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,245.60 : 118,864.08 = 26,649.60 : x
  2. Step 2: Convert to fraction form
    79,245.60/118,864.08 = 26,649.60/x
  3. Step 3: Cross multiply
    79,245.60x = 118,864.08 × 26,649.60
  4. Step 4: Simplify right side
    79,245.60x = 3,167,680,186.37
  5. Step 5: Solve for x
    x = 3,167,680,186.37/79,245.60
  6. Step 6: Final answer
    x = 39,972.95

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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.