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Finding the Fourth Proportional to 126,273.44, 174,250.56 and 78,525.44

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Solution

The fourth proportional to 126,273.44, 174,250.56 and 78,525.44 is: 108,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,273.44 : 174,250.56 = 78,525.44 : x
  2. Step 2: Convert to fraction form
    126,273.44/174,250.56 = 78,525.44/x
  3. Step 3: Cross multiply
    126,273.44x = 174,250.56 × 78,525.44
  4. Step 4: Simplify right side
    126,273.44x = 13,683,101,894.25
  5. Step 5: Solve for x
    x = 13,683,101,894.25/126,273.44
  6. Step 6: Final answer
    x = 108,360.89

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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.