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Finding the Fourth Proportional to 79,240.95, 118,873.98 and 25,915.41

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Solution

The fourth proportional to 79,240.95, 118,873.98 and 25,915.41 is: 38,877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,240.95 : 118,873.98 = 25,915.41 : x
  2. Step 2: Convert to fraction form
    79,240.95/118,873.98 = 25,915.41/x
  3. Step 3: Cross multiply
    79,240.95x = 118,873.98 × 25,915.41
  4. Step 4: Simplify right side
    79,240.95x = 3,080,667,930.03
  5. Step 5: Solve for x
    x = 3,080,667,930.03/79,240.95
  6. Step 6: Final answer
    x = 38,877.22

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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.