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Finding the Fourth Proportional to 198,192.88, 273,733.32 and 130,512.44

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Solution

The fourth proportional to 198,192.88, 273,733.32 and 130,512.44 is: 180,256.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,192.88 : 273,733.32 = 130,512.44 : x
  2. Step 2: Convert to fraction form
    198,192.88/273,733.32 = 130,512.44/x
  3. Step 3: Cross multiply
    198,192.88x = 273,733.32 × 130,512.44
  4. Step 4: Simplify right side
    198,192.88x = 35,725,603,502.50
  5. Step 5: Solve for x
    x = 35,725,603,502.50/198,192.88
  6. Step 6: Final answer
    x = 180,256.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.