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Finding the Fourth Proportional to 127,462.44, 175,878.90 and 73,736.84

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Solution

The fourth proportional to 127,462.44, 175,878.90 and 73,736.84 is: 101,745.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,462.44 : 175,878.90 = 73,736.84 : x
  2. Step 2: Convert to fraction form
    127,462.44/175,878.90 = 73,736.84/x
  3. Step 3: Cross multiply
    127,462.44x = 175,878.90 × 73,736.84
  4. Step 4: Simplify right side
    127,462.44x = 12,968,754,308.68
  5. Step 5: Solve for x
    x = 12,968,754,308.68/127,462.44
  6. Step 6: Final answer
    x = 101,745.69

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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.