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Finding the Fourth Proportional to 79,800.92, 110,170.26 and 52,980.10

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Solution

The fourth proportional to 79,800.92, 110,170.26 and 52,980.10 is: 73,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,800.92 : 110,170.26 = 52,980.10 : x
  2. Step 2: Convert to fraction form
    79,800.92/110,170.26 = 52,980.10/x
  3. Step 3: Cross multiply
    79,800.92x = 110,170.26 × 52,980.10
  4. Step 4: Simplify right side
    79,800.92x = 5,836,831,391.83
  5. Step 5: Solve for x
    x = 5,836,831,391.83/79,800.92
  6. Step 6: Final answer
    x = 73,142.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.