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Finding the Fourth Proportional to 120,335.56, 180,503.70 and 41,448.76

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Solution

The fourth proportional to 120,335.56, 180,503.70 and 41,448.76 is: 62,173.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,335.56 : 180,503.70 = 41,448.76 : x
  2. Step 2: Convert to fraction form
    120,335.56/180,503.70 = 41,448.76/x
  3. Step 3: Cross multiply
    120,335.56x = 180,503.70 × 41,448.76
  4. Step 4: Simplify right side
    120,335.56x = 7,481,654,540.41
  5. Step 5: Solve for x
    x = 7,481,654,540.41/120,335.56
  6. Step 6: Final answer
    x = 62,173.26

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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.