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Finding the Fourth Proportional to 96,883.20, 133,702.20 and 54,440.88

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Solution

The fourth proportional to 96,883.20, 133,702.20 and 54,440.88 is: 75,130.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,883.20 : 133,702.20 = 54,440.88 : x
  2. Step 2: Convert to fraction form
    96,883.20/133,702.20 = 54,440.88/x
  3. Step 3: Cross multiply
    96,883.20x = 133,702.20 × 54,440.88
  4. Step 4: Simplify right side
    96,883.20x = 7,278,865,425.94
  5. Step 5: Solve for x
    x = 7,278,865,425.94/96,883.20
  6. Step 6: Final answer
    x = 75,130.32

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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.