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Finding the Fourth Proportional to 130,751.69, 180,422.44 and 73,383.23

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Solution

The fourth proportional to 130,751.69, 180,422.44 and 73,383.23 is: 101,260.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,751.69 : 180,422.44 = 73,383.23 : x
  2. Step 2: Convert to fraction form
    130,751.69/180,422.44 = 73,383.23/x
  3. Step 3: Cross multiply
    130,751.69x = 180,422.44 × 73,383.23
  4. Step 4: Simplify right side
    130,751.69x = 13,239,981,679.28
  5. Step 5: Solve for x
    x = 13,239,981,679.28/130,751.69
  6. Step 6: Final answer
    x = 101,260.51

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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.