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Finding the Fourth Proportional to 127,682.92, 176,201.22 and 71,090.92

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Solution

The fourth proportional to 127,682.92, 176,201.22 and 71,090.92 is: 98,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,682.92 : 176,201.22 = 71,090.92 : x
  2. Step 2: Convert to fraction form
    127,682.92/176,201.22 = 71,090.92/x
  3. Step 3: Cross multiply
    127,682.92x = 176,201.22 × 71,090.92
  4. Step 4: Simplify right side
    127,682.92x = 12,526,306,834.92
  5. Step 5: Solve for x
    x = 12,526,306,834.92/127,682.92
  6. Step 6: Final answer
    x = 98,104.80

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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.