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Finding the Fourth Proportional to 270,906.73, 406,386.83 and 93,390.37

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Solution

The fourth proportional to 270,906.73, 406,386.83 and 93,390.37 is: 140,094.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,906.73 : 406,386.83 = 93,390.37 : x
  2. Step 2: Convert to fraction form
    270,906.73/406,386.83 = 93,390.37/x
  3. Step 3: Cross multiply
    270,906.73x = 406,386.83 × 93,390.37
  4. Step 4: Simplify right side
    270,906.73x = 37,952,617,432.79
  5. Step 5: Solve for x
    x = 37,952,617,432.79/270,906.73
  6. Step 6: Final answer
    x = 140,094.77

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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.