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Finding the Fourth Proportional to 250,690.68, 376,009.22 and 70,771.68

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Solution

The fourth proportional to 250,690.68, 376,009.22 and 70,771.68 is: 106,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,690.68 : 376,009.22 = 70,771.68 : x
  2. Step 2: Convert to fraction form
    250,690.68/376,009.22 = 70,771.68/x
  3. Step 3: Cross multiply
    250,690.68x = 376,009.22 × 70,771.68
  4. Step 4: Simplify right side
    250,690.68x = 26,610,804,194.89
  5. Step 5: Solve for x
    x = 26,610,804,194.89/250,690.68
  6. Step 6: Final answer
    x = 106,149.95

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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.