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Finding the Fourth Proportional to 127,352.64, 175,739.14 and 73,633.84

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Solution

The fourth proportional to 127,352.64, 175,739.14 and 73,633.84 is: 101,610.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,352.64 : 175,739.14 = 73,633.84 : x
  2. Step 2: Convert to fraction form
    127,352.64/175,739.14 = 73,633.84/x
  3. Step 3: Cross multiply
    127,352.64x = 175,739.14 × 73,633.84
  4. Step 4: Simplify right side
    127,352.64x = 12,940,347,716.50
  5. Step 5: Solve for x
    x = 12,940,347,716.50/127,352.64
  6. Step 6: Final answer
    x = 101,610.36

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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.