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Finding the Fourth Proportional to 270,908.30, 406,389.18 and 93,391.94

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Solution

The fourth proportional to 270,908.30, 406,389.18 and 93,391.94 is: 140,097.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,908.30 : 406,389.18 = 93,391.94 : x
  2. Step 2: Convert to fraction form
    270,908.30/406,389.18 = 93,391.94/x
  3. Step 3: Cross multiply
    270,908.30x = 406,389.18 × 93,391.94
  4. Step 4: Simplify right side
    270,908.30x = 37,953,471,883.26
  5. Step 5: Solve for x
    x = 37,953,471,883.26/270,908.30
  6. Step 6: Final answer
    x = 140,097.12

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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.