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Finding the Fourth Proportional to 96,702.88, 133,415.76 and 63,188.32

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Solution

The fourth proportional to 96,702.88, 133,415.76 and 63,188.32 is: 87,177.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,702.88 : 133,415.76 = 63,188.32 : x
  2. Step 2: Convert to fraction form
    96,702.88/133,415.76 = 63,188.32/x
  3. Step 3: Cross multiply
    96,702.88x = 133,415.76 × 63,188.32
  4. Step 4: Simplify right side
    96,702.88x = 8,430,317,735.92
  5. Step 5: Solve for x
    x = 8,430,317,735.92/96,702.88
  6. Step 6: Final answer
    x = 87,177.52

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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.