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Finding the Fourth Proportional to 79,135.77, 118,715.35 and 22,968.60

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Solution

The fourth proportional to 79,135.77, 118,715.35 and 22,968.60 is: 34,456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,135.77 : 118,715.35 = 22,968.60 : x
  2. Step 2: Convert to fraction form
    79,135.77/118,715.35 = 22,968.60/x
  3. Step 3: Cross multiply
    79,135.77x = 118,715.35 × 22,968.60
  4. Step 4: Simplify right side
    79,135.77x = 2,726,725,388.01
  5. Step 5: Solve for x
    x = 2,726,725,388.01/79,135.77
  6. Step 6: Final answer
    x = 34,456.29

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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.