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Finding the Fourth Proportional to 270,960.36, 406,291.20 and 93,320.88

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Solution

The fourth proportional to 270,960.36, 406,291.20 and 93,320.88 is: 139,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,960.36 : 406,291.20 = 93,320.88 : x
  2. Step 2: Convert to fraction form
    270,960.36/406,291.20 = 93,320.88/x
  3. Step 3: Cross multiply
    270,960.36x = 406,291.20 × 93,320.88
  4. Step 4: Simplify right side
    270,960.36x = 37,915,452,320.26
  5. Step 5: Solve for x
    x = 37,915,452,320.26/270,960.36
  6. Step 6: Final answer
    x = 139,929.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.