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Finding the Fourth Proportional to 270,581.76, 405,860.49 and 93,089.70

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Solution

The fourth proportional to 270,581.76, 405,860.49 and 93,089.70 is: 139,630.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,581.76 : 405,860.49 = 93,089.70 : x
  2. Step 2: Convert to fraction form
    270,581.76/405,860.49 = 93,089.70/x
  3. Step 3: Cross multiply
    270,581.76x = 405,860.49 × 93,089.70
  4. Step 4: Simplify right side
    270,581.76x = 37,781,431,255.95
  5. Step 5: Solve for x
    x = 37,781,431,255.95/270,581.76
  6. Step 6: Final answer
    x = 139,630.37

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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.