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Finding the Fourth Proportional to 250,990.18, 376,482.94 and 61,451.39

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Solution

The fourth proportional to 250,990.18, 376,482.94 and 61,451.39 is: 92,176.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,990.18 : 376,482.94 = 61,451.39 : x
  2. Step 2: Convert to fraction form
    250,990.18/376,482.94 = 61,451.39/x
  3. Step 3: Cross multiply
    250,990.18x = 376,482.94 × 61,451.39
  4. Step 4: Simplify right side
    250,990.18x = 23,135,400,761.87
  5. Step 5: Solve for x
    x = 23,135,400,761.87/250,990.18
  6. Step 6: Final answer
    x = 92,176.52

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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.