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Finding the Fourth Proportional to 270,984.38, 406,663.12 and 93,491.54

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Solution

The fourth proportional to 270,984.38, 406,663.12 and 93,491.54 is: 140,301.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,984.38 : 406,663.12 = 93,491.54 : x
  2. Step 2: Convert to fraction form
    270,984.38/406,663.12 = 93,491.54/x
  3. Step 3: Cross multiply
    270,984.38x = 406,663.12 × 93,491.54
  4. Step 4: Simplify right side
    270,984.38x = 38,019,561,350.00
  5. Step 5: Solve for x
    x = 38,019,561,350.00/270,984.38
  6. Step 6: Final answer
    x = 140,301.67

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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.