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Finding the Fourth Proportional to 180,357.75, 248,871.82 and 103,901.60

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Solution

The fourth proportional to 180,357.75, 248,871.82 and 103,901.60 is: 143,371.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,357.75 : 248,871.82 = 103,901.60 : x
  2. Step 2: Convert to fraction form
    180,357.75/248,871.82 = 103,901.60/x
  3. Step 3: Cross multiply
    180,357.75x = 248,871.82 × 103,901.60
  4. Step 4: Simplify right side
    180,357.75x = 25,858,180,292.91
  5. Step 5: Solve for x
    x = 25,858,180,292.91/180,357.75
  6. Step 6: Final answer
    x = 143,371.61

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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.