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Finding the Fourth Proportional to 120,048.44, 180,040.98 and 35,785.88

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Solution

The fourth proportional to 120,048.44, 180,040.98 and 35,785.88 is: 53,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,048.44 : 180,040.98 = 35,785.88 : x
  2. Step 2: Convert to fraction form
    120,048.44/180,040.98 = 35,785.88/x
  3. Step 3: Cross multiply
    120,048.44x = 180,040.98 × 35,785.88
  4. Step 4: Simplify right side
    120,048.44x = 6,442,924,905.36
  5. Step 5: Solve for x
    x = 6,442,924,905.36/120,048.44
  6. Step 6: Final answer
    x = 53,669.38

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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.