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Finding the Fourth Proportional to 270,895.67, 406,370.24 and 93,379.31

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Solution

The fourth proportional to 270,895.67, 406,370.24 and 93,379.31 is: 140,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,895.67 : 406,370.24 = 93,379.31 : x
  2. Step 2: Convert to fraction form
    270,895.67/406,370.24 = 93,379.31/x
  3. Step 3: Cross multiply
    270,895.67x = 406,370.24 × 93,379.31
  4. Step 4: Simplify right side
    270,895.67x = 37,946,572,148.84
  5. Step 5: Solve for x
    x = 37,946,572,148.84/270,895.67
  6. Step 6: Final answer
    x = 140,078.18

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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.