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Finding the Fourth Proportional to 270,752.90, 406,123.90 and 93,255.98

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Solution

The fourth proportional to 270,752.90, 406,123.90 and 93,255.98 is: 139,882.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,752.90 : 406,123.90 = 93,255.98 : x
  2. Step 2: Convert to fraction form
    270,752.90/406,123.90 = 93,255.98/x
  3. Step 3: Cross multiply
    270,752.90x = 406,123.90 × 93,255.98
  4. Step 4: Simplify right side
    270,752.90x = 37,873,481,555.13
  5. Step 5: Solve for x
    x = 37,873,481,555.13/270,752.90
  6. Step 6: Final answer
    x = 139,882.09

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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.