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Finding the Fourth Proportional to 92,485.98, 138,752.46 and 25,926.39

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Solution

The fourth proportional to 92,485.98, 138,752.46 and 25,926.39 is: 38,896.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,485.98 : 138,752.46 = 25,926.39 : x
  2. Step 2: Convert to fraction form
    92,485.98/138,752.46 = 25,926.39/x
  3. Step 3: Cross multiply
    92,485.98x = 138,752.46 × 25,926.39
  4. Step 4: Simplify right side
    92,485.98x = 3,597,350,391.42
  5. Step 5: Solve for x
    x = 3,597,350,391.42/92,485.98
  6. Step 6: Final answer
    x = 38,896.17

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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.