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Finding the Fourth Proportional to 92,078.96, 127,029.12 and 58,060.64

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Solution

The fourth proportional to 92,078.96, 127,029.12 and 58,060.64 is: 80,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,078.96 : 127,029.12 = 58,060.64 : x
  2. Step 2: Convert to fraction form
    92,078.96/127,029.12 = 58,060.64/x
  3. Step 3: Cross multiply
    92,078.96x = 127,029.12 × 58,060.64
  4. Step 4: Simplify right side
    92,078.96x = 7,375,392,005.84
  5. Step 5: Solve for x
    x = 7,375,392,005.84/92,078.96
  6. Step 6: Final answer
    x = 80,098.56

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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.