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Finding the Fourth Proportional to 251,490.95, 377,033.31 and 82,906.06

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Solution

The fourth proportional to 251,490.95, 377,033.31 and 82,906.06 is: 124,292.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,490.95 : 377,033.31 = 82,906.06 : x
  2. Step 2: Convert to fraction form
    251,490.95/377,033.31 = 82,906.06/x
  3. Step 3: Cross multiply
    251,490.95x = 377,033.31 × 82,906.06
  4. Step 4: Simplify right side
    251,490.95x = 31,258,346,220.86
  5. Step 5: Solve for x
    x = 31,258,346,220.86/251,490.95
  6. Step 6: Final answer
    x = 124,292.13

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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.