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Finding the Fourth Proportional to 180,013.20, 269,890.20 and 101,151.60

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Solution

The fourth proportional to 180,013.20, 269,890.20 and 101,151.60 is: 151,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,013.20 : 269,890.20 = 101,151.60 : x
  2. Step 2: Convert to fraction form
    180,013.20/269,890.20 = 101,151.60/x
  3. Step 3: Cross multiply
    180,013.20x = 269,890.20 × 101,151.60
  4. Step 4: Simplify right side
    180,013.20x = 27,299,825,554.32
  5. Step 5: Solve for x
    x = 27,299,825,554.32/180,013.20
  6. Step 6: Final answer
    x = 151,654.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.