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Finding the Fourth Proportional to 270,538.37, 405,803.45 and 93,046.92

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Solution

The fourth proportional to 270,538.37, 405,803.45 and 93,046.92 is: 139,568.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,538.37 : 405,803.45 = 93,046.92 : x
  2. Step 2: Convert to fraction form
    270,538.37/405,803.45 = 93,046.92/x
  3. Step 3: Cross multiply
    270,538.37x = 405,803.45 × 93,046.92
  4. Step 4: Simplify right side
    270,538.37x = 37,758,759,118.86
  5. Step 5: Solve for x
    x = 37,758,759,118.86/270,538.37
  6. Step 6: Final answer
    x = 139,568.96

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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.