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Finding the Fourth Proportional to 120,304.67, 180,406.08 and 36,076.91

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Solution

The fourth proportional to 120,304.67, 180,406.08 and 36,076.91 is: 54,100.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,304.67 : 180,406.08 = 36,076.91 : x
  2. Step 2: Convert to fraction form
    120,304.67/180,406.08 = 36,076.91/x
  3. Step 3: Cross multiply
    120,304.67x = 180,406.08 × 36,076.91
  4. Step 4: Simplify right side
    120,304.67x = 6,508,493,009.58
  5. Step 5: Solve for x
    x = 6,508,493,009.58/120,304.67
  6. Step 6: Final answer
    x = 54,100.09

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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.