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Finding the Fourth Proportional to 250,686.68, 376,003.22 and 70,767.68

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Solution

The fourth proportional to 250,686.68, 376,003.22 and 70,767.68 is: 106,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,686.68 : 376,003.22 = 70,767.68 : x
  2. Step 2: Convert to fraction form
    250,686.68/376,003.22 = 70,767.68/x
  3. Step 3: Cross multiply
    250,686.68x = 376,003.22 × 70,767.68
  4. Step 4: Simplify right side
    250,686.68x = 26,608,875,551.93
  5. Step 5: Solve for x
    x = 26,608,875,551.93/250,686.68
  6. Step 6: Final answer
    x = 106,143.95

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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.