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Finding the Fourth Proportional to 92,108.70, 138,163.04 and 25,548.83

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Solution

The fourth proportional to 92,108.70, 138,163.04 and 25,548.83 is: 38,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,108.70 : 138,163.04 = 25,548.83 : x
  2. Step 2: Convert to fraction form
    92,108.70/138,163.04 = 25,548.83/x
  3. Step 3: Cross multiply
    92,108.70x = 138,163.04 × 25,548.83
  4. Step 4: Simplify right side
    92,108.70x = 3,529,904,430.52
  5. Step 5: Solve for x
    x = 3,529,904,430.52/92,108.70
  6. Step 6: Final answer
    x = 38,323.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.