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Finding the Fourth Proportional to 84,800.84, 117,029.22 and 48,995.60

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Solution

The fourth proportional to 84,800.84, 117,029.22 and 48,995.60 is: 67,616.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,800.84 : 117,029.22 = 48,995.60 : x
  2. Step 2: Convert to fraction form
    84,800.84/117,029.22 = 48,995.60/x
  3. Step 3: Cross multiply
    84,800.84x = 117,029.22 × 48,995.60
  4. Step 4: Simplify right side
    84,800.84x = 5,733,916,851.43
  5. Step 5: Solve for x
    x = 5,733,916,851.43/84,800.84
  6. Step 6: Final answer
    x = 67,616.27

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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.