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Finding the Fourth Proportional to 126,102.68, 174,022.08 and 69,512.84

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Solution

The fourth proportional to 126,102.68, 174,022.08 and 69,512.84 is: 95,927.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,102.68 : 174,022.08 = 69,512.84 : x
  2. Step 2: Convert to fraction form
    126,102.68/174,022.08 = 69,512.84/x
  3. Step 3: Cross multiply
    126,102.68x = 174,022.08 × 69,512.84
  4. Step 4: Simplify right side
    126,102.68x = 12,096,769,003.51
  5. Step 5: Solve for x
    x = 12,096,769,003.51/126,102.68
  6. Step 6: Final answer
    x = 95,927.93

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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.