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Finding the Fourth Proportional to 137,641.88, 206,423.15 and 37,805.33

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Solution

The fourth proportional to 137,641.88, 206,423.15 and 37,805.33 is: 56,697.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,641.88 : 206,423.15 = 37,805.33 : x
  2. Step 2: Convert to fraction form
    137,641.88/206,423.15 = 37,805.33/x
  3. Step 3: Cross multiply
    137,641.88x = 206,423.15 × 37,805.33
  4. Step 4: Simplify right side
    137,641.88x = 7,803,894,084.25
  5. Step 5: Solve for x
    x = 7,803,894,084.25/137,641.88
  6. Step 6: Final answer
    x = 56,697.09

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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.