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Finding the Fourth Proportional to 270,896.17, 406,370.99 and 93,379.81

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Solution

The fourth proportional to 270,896.17, 406,370.99 and 93,379.81 is: 140,078.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,896.17 : 406,370.99 = 93,379.81 : x
  2. Step 2: Convert to fraction form
    270,896.17/406,370.99 = 93,379.81/x
  3. Step 3: Cross multiply
    270,896.17x = 406,370.99 × 93,379.81
  4. Step 4: Simplify right side
    270,896.17x = 37,946,845,368.81
  5. Step 5: Solve for x
    x = 37,946,845,368.81/270,896.17
  6. Step 6: Final answer
    x = 140,078.93

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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.