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Finding the Fourth Proportional to 270,588.96, 405,879.12 and 93,097.50

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Solution

The fourth proportional to 270,588.96, 405,879.12 and 93,097.50 is: 139,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,588.96 : 405,879.12 = 93,097.50 : x
  2. Step 2: Convert to fraction form
    270,588.96/405,879.12 = 93,097.50/x
  3. Step 3: Cross multiply
    270,588.96x = 405,879.12 × 93,097.50
  4. Step 4: Simplify right side
    270,588.96x = 37,786,331,374.20
  5. Step 5: Solve for x
    x = 37,786,331,374.20/270,588.96
  6. Step 6: Final answer
    x = 139,644.76

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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.