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Finding the Fourth Proportional to 537,437.33, 806,156.60 and 138,081.41

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Solution

The fourth proportional to 537,437.33, 806,156.60 and 138,081.41 is: 207,122.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,437.33 : 806,156.60 = 138,081.41 : x
  2. Step 2: Convert to fraction form
    537,437.33/806,156.60 = 138,081.41/x
  3. Step 3: Cross multiply
    537,437.33x = 806,156.60 × 138,081.41
  4. Step 4: Simplify right side
    537,437.33x = 111,315,239,087.41
  5. Step 5: Solve for x
    x = 111,315,239,087.41/537,437.33
  6. Step 6: Final answer
    x = 207,122.27

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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.