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Finding the Fourth Proportional to 126,673.44, 174,812.04 and 75,738.84

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Solution

The fourth proportional to 126,673.44, 174,812.04 and 75,738.84 is: 104,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,673.44 : 174,812.04 = 75,738.84 : x
  2. Step 2: Convert to fraction form
    126,673.44/174,812.04 = 75,738.84/x
  3. Step 3: Cross multiply
    126,673.44x = 174,812.04 × 75,738.84
  4. Step 4: Simplify right side
    126,673.44x = 13,240,061,127.63
  5. Step 5: Solve for x
    x = 13,240,061,127.63/126,673.44
  6. Step 6: Final answer
    x = 104,521.21

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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.