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Finding the Fourth Proportional to 120,393.36, 180,524.28 and 95,592.72

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Solution

The fourth proportional to 120,393.36, 180,524.28 and 95,592.72 is: 143,336.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,393.36 : 180,524.28 = 95,592.72 : x
  2. Step 2: Convert to fraction form
    120,393.36/180,524.28 = 95,592.72/x
  3. Step 3: Cross multiply
    120,393.36x = 180,524.28 × 95,592.72
  4. Step 4: Simplify right side
    120,393.36x = 17,256,806,951.24
  5. Step 5: Solve for x
    x = 17,256,806,951.24/120,393.36
  6. Step 6: Final answer
    x = 143,336.87

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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.