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Finding the Fourth Proportional to 96,118.72, 132,702.24 and 65,953.60

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Solution

The fourth proportional to 96,118.72, 132,702.24 and 65,953.60 is: 91,056.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,118.72 : 132,702.24 = 65,953.60 : x
  2. Step 2: Convert to fraction form
    96,118.72/132,702.24 = 65,953.60/x
  3. Step 3: Cross multiply
    96,118.72x = 132,702.24 × 65,953.60
  4. Step 4: Simplify right side
    96,118.72x = 8,752,190,456.06
  5. Step 5: Solve for x
    x = 8,752,190,456.06/96,118.72
  6. Step 6: Final answer
    x = 91,056.04

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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.