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Finding the Fourth Proportional to 270,790.70, 406,224.92 and 93,250.04

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Solution

The fourth proportional to 270,790.70, 406,224.92 and 93,250.04 is: 139,888.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,790.70 : 406,224.92 = 93,250.04 : x
  2. Step 2: Convert to fraction form
    270,790.70/406,224.92 = 93,250.04/x
  3. Step 3: Cross multiply
    270,790.70x = 406,224.92 × 93,250.04
  4. Step 4: Simplify right side
    270,790.70x = 37,880,488,241.00
  5. Step 5: Solve for x
    x = 37,880,488,241.00/270,790.70
  6. Step 6: Final answer
    x = 139,888.44

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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.