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Finding the Fourth Proportional to 251,684.82, 377,527.14 and 91,772.82

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Solution

The fourth proportional to 251,684.82, 377,527.14 and 91,772.82 is: 137,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,684.82 : 377,527.14 = 91,772.82 : x
  2. Step 2: Convert to fraction form
    251,684.82/377,527.14 = 91,772.82/x
  3. Step 3: Cross multiply
    251,684.82x = 377,527.14 × 91,772.82
  4. Step 4: Simplify right side
    251,684.82x = 34,646,730,264.33
  5. Step 5: Solve for x
    x = 34,646,730,264.33/251,684.82
  6. Step 6: Final answer
    x = 137,659.20

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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.