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Finding the Fourth Proportional to 126,517, 174,593.46 and 76,226.44

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Solution

The fourth proportional to 126,517, 174,593.46 and 76,226.44 is: 105,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,517 : 174,593.46 = 76,226.44 : x
  2. Step 2: Convert to fraction form
    126,517/174,593.46 = 76,226.44/x
  3. Step 3: Cross multiply
    126,517x = 174,593.46 × 76,226.44
  4. Step 4: Simplify right side
    126,517x = 13,308,637,903.08
  5. Step 5: Solve for x
    x = 13,308,637,903.08/126,517
  6. Step 6: Final answer
    x = 105,192.49

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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.