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Finding the Fourth Proportional to 127,951.92, 176,573.96 and 71,366.96

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Solution

The fourth proportional to 127,951.92, 176,573.96 and 71,366.96 is: 98,486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,951.92 : 176,573.96 = 71,366.96 : x
  2. Step 2: Convert to fraction form
    127,951.92/176,573.96 = 71,366.96/x
  3. Step 3: Cross multiply
    127,951.92x = 176,573.96 × 71,366.96
  4. Step 4: Simplify right side
    127,951.92x = 12,601,546,740.36
  5. Step 5: Solve for x
    x = 12,601,546,740.36/127,951.92
  6. Step 6: Final answer
    x = 98,486.58

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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.