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Finding the Fourth Proportional to 251,306.71, 377,083.08 and 118,200.43

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Solution

The fourth proportional to 251,306.71, 377,083.08 and 118,200.43 is: 177,358.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,306.71 : 377,083.08 = 118,200.43 : x
  2. Step 2: Convert to fraction form
    251,306.71/377,083.08 = 118,200.43/x
  3. Step 3: Cross multiply
    251,306.71x = 377,083.08 × 118,200.43
  4. Step 4: Simplify right side
    251,306.71x = 44,571,382,201.72
  5. Step 5: Solve for x
    x = 44,571,382,201.72/251,306.71
  6. Step 6: Final answer
    x = 177,358.50

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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.