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Finding the Fourth Proportional to 67,925.54, 101,902.68 and 20,544.17

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Solution

The fourth proportional to 67,925.54, 101,902.68 and 20,544.17 is: 30,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,925.54 : 101,902.68 = 20,544.17 : x
  2. Step 2: Convert to fraction form
    67,925.54/101,902.68 = 20,544.17/x
  3. Step 3: Cross multiply
    67,925.54x = 101,902.68 × 20,544.17
  4. Step 4: Simplify right side
    67,925.54x = 2,093,505,981.38
  5. Step 5: Solve for x
    x = 2,093,505,981.38/67,925.54
  6. Step 6: Final answer
    x = 30,820.60

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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.